Sorathiya, L. M., Kharadi, V. B., Raval, A. P., Sadharakiya, K. H., Tyagi , K. K., & Katariya, M. A. (2019). Parametric Estimation of Factors Associated with Prediction of Calving in Surti Buffaloes Using Ordinal Regression. International Journal of Livestock Research, 9(1), 231–237. Retrieved from http://ijlr.org/ojs_journal/index.php/ijlr/article/view/1415