AL-Shammary, Salah Mahdi, and Al-Yasiri E. A. “Effect of Melatonin Implants on Sexual Behavior and Testosterone in Awassi Rams”. Diyala Journal for Veterinary Sciences, vol. 1, no. 2, July 2023, pp. 38-45, doi:10.71375/djvs.2023.01204.