Aierqing, S., A. Nakagawa, and T. Bungo. “Association Between Temperament and Polymorphisms of CRH and Leptin in Japanese Black Cattle”. Journal of Advanced Veterinary and Animal Research, vol. 7, no. 1, Mar. 2020, pp. 1-5, https://banglajol.info/index.php/JAVAR/article/view/46357.