Ismailova Г.А., Umerzakova М.Б., Puzikova Д.С., and Peshaya С.Л. “Optical Properties of Modified Polyimide Films”. Recent Contributions to Physics 92, no. 1 (March 20, 2025): 102–109. Accessed March 13, 2026. https://bph.kaznu.kz/index.php/zhuzhu/article/view/1867.