1. O. O. Khamar, V. S. Dutka, Y. P. Kovalskyi, and M. M. Yatsyshyn, “Electrical conductivity and thermal stability of polyaniline and water-soluble polymer nanocomposites,” Molecular Crystals and Liquid Crystals, vol. 768, no. 10, 2024, pp. 269–275, 2024, doi: 10.1080/15421406.2024.2348287.
2. V. S. Dutka, Y. P. Kovalskyi, O. O. Khamar, and H. M. Halechko, “Nanocomposites of polyaniline and polymethacrylic acid,” Molecular Crystals and Liquid Crystals, vol. 767, no. 1, pp. 79–85, 2023, doi: 10.1080/15421406.2023.2228595.
3. O. Khamar, V. Dutka, and Y. Kovalskyi, “Formation of polymers in the presence of dispersed mineral phase,” Molecular Crystals and Liquid Crystals, vol. 768, no. 9, pp. 222–228, 2024, doi: 10.1080/15421406.2024.2348202.
4. V. Dutka, Y. Kovalskyi, V. Kachmarik, O. Khamar, and H. Halechko, “Intermolecular interaction between macromolecules of polymethacrylic acid and polyaniline in a polymer composite,” Visnyk of the Lviv University. Series Chemistry, no. 63, pp. 308–313, 2022, doi: 10.30970/vch.6301.308.
5. V. Dutka, O. Khamar, H. Halechko, and Y. Kovalskyi, “Heat resistance and electrical conductivity of polyaniline and polymethacrylic acid composites,” Visnyk of the Lviv University. Series Chemistry, no. 64, pp. 282–289, 2023, doi: 10.30970/vch.6401.282.
6. V. Dutka, O. Khamar, Y. Kovalskyi, and M. Yatsyshyn, “Electrical conductivity and heat resistance of polyaniline and polyvinyl alcohol composites,” Visnyk of the Lviv University. Series Chemistry, no. 65, pp. 301–307, 2024, doi: 10.30970/vch.6501.301.
7. V. S. Dutka, Ya. P. Kovalskyi, V. V. Kachmaryk, and O. O. Khamar, “Квантово-хімічні розрахунки при дослідженні полімер – полімерних композитів,” in Збірник наукових праць. XVIII Наукова конференція “Львівські хімічні читання – 2021”, присвячена 360-річчю Львівського університету, Lviv, Ukraine, May 31–June 2, 2021, p. Ф.5.
8. O. O. Khamar, V. S. Dutka, and Ya. P. Kovalskyi, “Polymeric composites on polymethacrylic acid and polyaniline,” in IV International (XIV Ukrainian) Scientific Conference for Students and Young Scientists “Current Chemical Problems,” Abstract Book, Vinnytsia, Ukraine, Mar. 23–25, 2021, p. 120, ISSN print 2708-0536, ISSN online 2708-0544.
9. V. Kachmaryk, O. Khamar, V. Dutka, and Ya. Kovalskyi, “Physic-chemical properties of polymer–polymer composites and quantum-chemical calculation of intermolecular interaction,” in Proc. 2021 IEEE 11th Int. Conf. “Nanomaterials: Applications and Properties” (NAP-2021), Odesa, Ukraine, Sept. 5–11, 2021, Paper ID 3615, eP-w 14, p. NSS-A-06.
10. V. S. Dutka, Y. P. Kovalskyi, and O. O. Khamar, “Physic-chemical properties of nanocomposites by polymethacrylic acid and polyaniline,” in Proceedings of the XVII International Freik Conference on Physics and Technology of Thin Films and Nanosystems, Ivano-Frankivsk, Ukraine, Oct. 11–16, 2021, p. 120.
11. V. S. Dutka, Ya. P. Kovalskyi, O. O. Khamar, and H. M. Halechko, “Одержання та фізико-хімічні властивості полімер-полімерних композитів,” in Proc. I Int. Conf. “Theoretical and Experimental Aspects of Modern Chemistry and Materials” (TASX-2022), Dnipro, Ukraine, May 20, 2022, ISBN 978-617-8010-96-6, UDC 541.41 + 544.146.5.
12. V. S. Dutka, Ya. P. Kovalskyi, O. O. Khamar, and H. M. Halechko, “Nanocomposites of polyaniline and polymethacrylic acid,” in Proc. International Research and Practice Conference “Nanotechnology and Nanomaterials” (NANO-2022), Lviv, Ukraine, Aug. 25–27, 2022, p. 99.
13. V. Dutka, Y. Kovalskyi, H. Halechko, and O. Khamar, “Nanocomposites of polyaniline and carboxyl-containing polymers,” in Proceedings of the 2nd International Research and Practice Conference “Nanoobjects & Nanostructuring” (N&N–2022), Lviv, Ukraine, Sept. 26–28, 2022.
14. V. Dutka, Ya. Kovalskyi, O. Khamar, and H. Halechko, “Електропровідність та термостійкість композитів на основі поліаніліну та поліметакрилової кислоти,” in Proc. XV Ukrainian Conf. on High-Molecular Compounds with International Participation (VMS-2022), Kyiv, Ukraine, Oct. 25–27, 2022, p. 250, ISBN 978-617-520-374-3, UDC 66.095.26(100)(082).
15. O. O. Khamar, Y. P. Kovalskyi, and V. S. Dutka, “Використання математичних та квантово-хімічних сучасних програм для розрахунків при вивченні фізичної та квантової хімії,” in Proceedings of the VI International (XVI Ukrainian) Scientific Conference for Students and Young Scientists “Current Chemical Problems”, Vinnytsia, Ukraine, Mar. 21–23, 2023, p. 110, ISSN print 2708-0536, ISSN online 2708-0544.
16. О. О. Хамар, Я. П. Ковальський, В. С. Дутка, “Міжмолекулярна взаємодія в полімер-полімерних композитах,” in Proc. VI Int. (XVI Ukrainian) Sci. Conf. for Students and Young Scientists “Current Chemical Problems”, Vinnytsia, Ukraine, Mar. 21–23, 2023, p. 124, ISSN 2708-0544 (online).
17. O. Khamar, V. Dutka, Ya. Kovalskyi, and H. Halechko, “Molecular modeling of electrical conductive polymer–polymer composites,” in Proc. 4th Int. Sci. Conf. “Chemical Technology and Engineering”, Lviv, Ukraine, June 26–29, 2023, pp. 38–40, ISSN 2664-1275 (online).
18. O. O. Khamar, V. S. Dutka, and Y. P. Kovalskyi, “Formation of polymers in the presence of dispersed mineral phase,” in Proceedings of the International Research and Practice Conference "Nanotechnology and Nanomaterials" NANO-2023, Bukovel, Ukraine, Aug. 16–19, 2023, p. 64, ISBN 978-617-8092-32-0.
19. O. O. Khamar, V. S. Dutka, M. M. Yatsyshyn, and Y. P. Kovalskyi, “Electrical conductivity and thermal stability of polyaniline and water-soluble polymer nanocomposites,” in Proceedings of the International Research and Practice Conference “Nanotechnology and Nanomaterials” (NANO-2023), Bukovel, Ukraine, Aug. 16–19, 2023, Kyiv, Ukraine: Institute of Physics of the National Academy of Sciences of Ukraine, 2023, p. 65, ISBN 978-617-8092-32-0.
20. O. Khamar, V. Dutka, Y. Kovalskyi, and H. Halechko, “Нанокомпозити поліаніліну і водорозчинних полімерів та вивчення їх фізико-хімічних властивостей,” in Proceedings of the 19th Scientific Conference “Львівські хімічні читання – 2023”, Lviv, Ukraine, May 29–31, 2023, p. У36.
21. V. S. Dutka, V. O. Chalun, A. Ya. Yushchuk, Y. P. Kovalskyi, Y. Y. Horbenko, and O. O. Khamar, “Полімер-полімерні композити на основі поліаніліну та поліметилметакрилату і поліакрилової кислоти,” in Proceedings of the All-Ukrainian Scientific Conference “Актуальні задачі хімії: дослідження та перспективи”, Zhytomyr, Ukraine, May 1, 2024, pp. 72–73, ISBN 978-966-485-296-5.
22. V. S. Dutka, Y. Y. Horbenko, Y. P. Kovalskyi, O. O. Khamar, V. O. Chalun, and A. B. Yushchuk, “Polyaniline and polymethacrylates electrical conductive composites,” in Proceedings of the International Research and Practice Conference “Nanotechnology and Nanomaterials” (NANO-2024), Uzhhorod, Ukraine, Aug. 21–24, 2024, p. 144, ISBN 978-617-8092-32-0.
23. V. S. Dutka, Y. P. Kovalskyi, V. O. Chalun, and O. O. Khamar, “Physico-chemical properties of nanocomposites based on polyaniline and polymethylmethacrylate,” in Proceedings of the 3rd International Research and Practice Conference “Nanoobjects & Nanostructuring” (N&N-2024), Lviv, Ukraine, Oct. 7–10, 2024, pp. 47–48.
24. V. S. Dutka, Y. P. Kovalskyi, H. M. Halechko, and O. O. Khamar, “Molecular modeling of polymethylmethacrylate-polyaniline composites and study of its properties,” in Proceedings of the 5th International Scientific Conference “Chemical Technology and Engineering – 2025”, Lviv, Ukraine, Jun. 26–29, 2025, Lviv: Lviv Polytechnic National University, pp. 65–68, ISSN 2664-1275 (Online).
25. V. Dutka, Y. Kovalskyi, H. Halechko, and O. Khamar, “Фізико-хімічні властивості композитів на основі поліаніліну та поліметилметакрилату,” in Proceedings of the 20th Scientific Conference “Львівські хімічні читання – 2025”, Lviv, Ukraine, Jun. 2–4, 2025, p. 248.
26. O. Khamar, V. Dutka, Y. Kovalskyi, and H. Halechko, “Molecular modeling of electrically conductive polymer–polymer composites,” in Хімічна технологія та інженерія – 2023: монографія, V. M. Atamaniuk et al., Eds. Lviv, Ukraine: Rastr-7, 2023, pp. 15–22, ISBN 978-617-8296-99-5.