“SYNTHESIS AND PHOTOVOLTAIC PROPERTIES OF SYMMETRIC BIS-AZOMETHINES WITH ACCEPTOR SUBSTITUENTS IN THE 4,4’-POSITION: DOI: https://doi.org/10.17721/1728-2209.2019.1(56).9” (2019) Bulletin of Taras Shevchenko National University of Kyiv. Chemistry, 56(1), pp. 36–39. Available at: https://chemistry.bulletin.knu.ua/en/article/view/8366 (Accessed: 6 October 2026).