“RESEARCH OF PHOTOSENSITIVE STRUCTURE OF THE POLYIMIDE OF FOREIGN AFFAIRS RECEIVED ON THE BASIS OF A FILM-FORMING COVERING” (2021) Journal of open systems evolution problems, 17(1), pp. 104–111. Available at: https://peos.kaznu.kz/index.php/peos/article/view/93 (Accessed: 13 July 2026).