Gubaydullin Rinat Shavkatovich. “STUDY OF THE PHYSICAL AND MECHANICAL PROPERTIES OF RIGID POLYURETHANE FOAMS OBTAINED ON THE BASIS OF SYNTHESIZED PRODUCTS”. International Multidisciplinary Journal for Research & Development 13, no. 4 (April 3, 2026): 66–70. Accessed April 4, 2026. https://www.ijmrd.in/index.php/imjrd/article/view/5497.