Jo‘rayev Ulug‘bek Inomiddin o‘g‘li. 2024. “MAHALLIY XOM-ASHYO BENTONITNING FILTRASIYA KOEFFITSIENTINI ANIQLASH BOʻYICHA TAVSIYALAR”. IQRO INDEXING 8 (1). https://worldlyjournals.com/index.php/IFX/article/view/907.