Iliyasu, D., et al. “Evaluation of Safety, Proximate and Efficacy of Graded Dose of Moringa Oleifera Aqueous Seed Extract As Supplement That Improve Live-Body Weight and Scrotal Circumference in Yankasa Ram”. International Journal of Livestock Research, vol. 10, no. 8, Aug. 2020, pp. 33-46, doi:10.5455/ijlr.20200316041413 .