Kajaysri, J., and A. Wattananorasate. “Influence of Heat Stress on Pregnancy Rate of Beef Cattle Heifers and Cows Using Ovsynch Plus CIDR Followed by Timed Artificial Insemination in Thailand”. The Thai Journal of Veterinary Medicine, vol. 48, no. 1, Mar. 2018, pp. 71-77, https://he01.tci-thaijo.org/index.php/tjvm/article/view/117349.