Tolenkhomba, T. C., Prava Mayengbam, and B. R. Yadav. 2021. “Effect of αS1-Casein Variants on Milk Production Traits in Sahiwal Cattle”. International Journal of Livestock Research 11 (5). India:6-10. https://doi.org/10.5455/ijlr.20210222123720 .