Jirawiwatkul, Nicharat, Pakanit Kupittayanant, and Sajeera Kupittayanant. 2019. “Serum and milk leptin concentrations in Thai native beef cows (Bos indicus) affect their offspring’s body weight”. Progress in Applied Science and Technology 9 (1). Thailand:22-30. https://doi.org/10.14456/10.14456/stj.2019.3.