Rayimov Zukhriddin Khayriddin ogli, Haydarov Axtam Amonovich, and Haytiyev Shaxruz Botir ogli, “FIRE RETARDANT PROPERTIES OF POLYESTERSULFONE KETONES”, Amer. Jour. of Peda. and Educ. Rese., vol. 21, pp. 45–48, Feb. 2024.