MURADOV, A.; YAR-MUKHAMEDOVA, G.; MUKHAMBETOVA, S.; CHERYAZDANOV, K.; AMYRKHANOVA, K.; ALYEVA, Z. Investigation of the influence of the concentration of the shungite filler on the optical properties, morphology and molecular structure of the polyimide film. Recent Contributions to Physics, [S. l.], v. 2017, n. 1, p. 52–60, 2018. Disponível em: https://bph.kaznu.kz/index.php/zhuzhu/article/view/513. Acesso em: 9 feb. 2026.