Nurkulov Faizulla Nurmuminovich, Siddikov Ikromjon Iminjonovich, Jumayev Saifiddin Kodirovich, Hodjaev Farhodjon Mamatkarimovich, Jumaniyozova Turdigul Ahtamovna. “Properties Based on Phosphorus, Silicon and Nitrogen-Containing Oligomeric Frametering”. Design Engineering, no. 1 (August 23, 2022): 3857 - 3867. Accessed May 7, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/9574.