Prongcharoen, M., W. Wongseekaew, S. Sirisathean, and A. Sangkaew. “Commercial Production of Bovine Embryos In Vitro from Prepubertal Dairy Cattle Oocytes(Thai)”. Asia-Pacific Journal of Science and Technology, vol. 11, no. 4, Apr. 2017, pp. 295-02, https://so01.tci-thaijo.org/index.php/APST/article/view/83982.