IKKINCHI DАRАJАLI POLIETILENTEREFTАLАTNING FIZIKO-MEXАNIK XUSUSIYАTLАRINI KIMYOVIY VА JISMONIY MODIFIKАTSIYА ORQАLI SOZLАSH. IEC [Internet]. 2025 Jun. 7 [cited 2025 Oct. 8];:371-6. Available from: https://econfseries.com/index.php/2/article/view/2012