Ranjan, Rajesh, and Opinder Singh. “Histo-Architectural Changes in Placental Epithelium During Gestation in Buffaloes (Bubalus Bubalis)”. Buffalo Bulletin, vol. 38, no. 2, June 2019, pp. 193-01, https://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/836.