Qo‘chqorov , A. N., Elmurotov , S. P., & Xoljigitov , A. M. (2023). SIMMENTAL ZOTINING GO‘SHT MAHSULDORLIGI. GOLDEN BRAIN, 1(16), 4–8. Retrieved from https://researchedu.org/index.php/goldenbrain/article/view/3697