Sayfullayev , Siroj Ikrom o‘g‘li. “MAHSULOT SIFATINI BOSHQARISH VA UNI OSHIRISH YO‘LLARI”. SCHOLAR 1, no. 15 (June 10, 2023): 113–116. Accessed October 18, 2024. https://researchedu.org/index.php/openscholar/article/view/3893.