Turdiyeva Sabina. “OZIQ-OVQAT MAHSULOTLARINI TAHLIL QILISHDA QO’LLANILADIGAN EPR USULLARI”. World scientific research journal 8, no. 1 (October 25, 2022): 175–181. Accessed May 20, 2024. http://wsrjournal.com/index.php/wsrj/article/view/2248.