Kdirbaeva Shukirjan. “TO’QIMACHILIK MATERILLARI SIFATI, SIFAT KO’RSATKICHLARINI ANIQLASH VA XUSUSIYATLARI”. World scientific research journal 16, no. 1 (June 20, 2023): 65–68. Accessed July 23, 2024. http://wsrjournal.com/index.php/wsrj/article/view/2702.