Al-Shuhaib, Mohammed Baqur S., Sara M. A. Al-Lamy, Hafedh M. A. Al-Tayy, Tahreer M. Al-Thuwaini, and Adil H. Radhi. 2018. “Single Nucleotide Polymorphism (SNP) of Leptin Gene in Holstein Cattle”. The Thai Journal of Veterinary Medicine 48 (2):187-201. https://he01.tci-thaijo.org/index.php/tjvm/article/view/137525.