Utepova, D S, A I Kupchishin, V M Lisitsyn, and M N Niyazov. “STUDY OF THE MECHANICAL PROPERTIES OF INDUSTRIAL PLEXIGLAS TESTING FOR FLAT STRAIGHT BENDING”. International Journal of Mathematics and Physics 12, no. 1 (September 8, 2021): 88–92. Accessed November 24, 2024. https://ijmph.kaznu.kz/index.php/kaznu/article/view/363.