Basha, Sayed, and Abdul Ghani Mohammad. “Some Anatomical and Histological Studies on the Placenta of Goats in Dhamar, Yemen ”. 2021. Yemeni Journal of Agriculture & Veterinary Sciences, vol. 1, no. 1, Mar. 2021, http://journal.tu.edu.ye/index.php/yjavs/article/view/14.