Suttikrai, Sopita, Ratree Jintana, Tiprawee Rassamepong, and Nitira Anakkul. “The Comparative Study of Cortisol Extraction in Cow’s Milk by Different Extract”. Journal of Mahanakorn Veterinary Medicine 17, no. 2 (April 7, 2023): 313–317. accessed August 30, 2026. https://li01.tci-thaijo.org/index.php/jmvm/article/view/254275.