Olzhabay, A.T., P.I. Urkimayeva, Z.A. Kenessova, Sh.O. Yespenbetova, and El-Sayed Negim. “Development of a Technology for Processing Waste Plastic Bottles and Bags to Obtain Various Types of Biodegradable Polymer Films”. International Journal of Biology and Chemistry 15, no. 1 (June 30, 2022): 107–116. Accessed April 26, 2024. https://ijbch.kaznu.kz/index.php/kaznu/article/view/613.