Chetvertakova Е V, and Y V Abaza. “Qualitative Indicators of Sperm Bulls of Spermogonial Jsc ‘krasnoyarskugol’”. Mongolian Journal of Agricultural Sciences 22, no. 03 (May 9, 2018): 26–28. Accessed February 6, 2026. https://test.mongoliajol.info/MJAS/article/view/945.