Yama, P., M. Osathanunkul, J. Jitjumnong, W. Pirokad, W. U-krit, W. Chaikol, and T. Moonmanee. “Relationships Among Characteristics of the Wave-Like Pattern of Ovarian Follicular Development in White Lamphun Cows”. Science & Technology Asia, vol. 24, no. 3, Aug. 2019, pp. 67-79, https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/206353.