Tongrueng, Surapong, Thevin Vongpralub, Watcharaporn Srimooltho, and Yupin Phasuk. “Transforming Growth Factor Beta1 in Porcine Seminal Plasma on Characteristic of Sperm and Reproductive Efficiency in Sows”. Science & Technology Asia 26, no. 1 (March 16, 2021): 216-223. Accessed April 20, 2021. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/225956.