“PRECIPITATION COPOLYMERIZATION OF 4-VINYLPYRIDINE AND STYRENE: DOI: Https: doi.Org 10.17721 1728-2209.2019.1(56).11”. Bulletin of the Taras Shevchenko National University of Kyiv. Chemistry 56, no. 1 (December 4, 2019): 42–44. Accessed February 15, 2026. https://chemistry.bulletin.knu.ua/article/view/8373.