Aryutkin, K.N., E.A. Bekbulatov, A.I. Kupchishin, and A.D. Muradov. 2018. “STRUCTURE INVESTIGATION COMPOSITE MATERIALS ON BASIS OF POLYESTER RESIN”. Recent Contributions to Physics 2018 (1):36-41. https://bph.kaznu.kz/index.php/zhuzhu/article/view/1056.