“IKKINCHI DАRАJАLI POLIETILENTEREFTАLАTNING FIZIKO-MEXАNIK XUSUSIYАTLАRINI KIMYOVIY VА JISMONIY MODIFIKАTSIYА ORQАLI SOZLАSH”, IEC, pp. 371–376, Jun. 2025, Accessed: Oct. 08, 2025. [Online]. Available: https://econfseries.com/index.php/2/article/view/2012