Pawar, V. D., N. S. Dangar, G. M. Pandya, B. P. Brahmkshtri, Jyotishree Bayan, and V. B. Kharadi. 2019. “Non Genetic Factors Affecting Calving Interval in Surti Buffaloes”. International Journal of Livestock Research 9 (5). India:144-48. https://ijlr.org/ojs_journal/index.php/ijlr/article/view/1271.