“Demonstration and Evaluation of Dual Purpose Chicken Potchefstroom Koekoek Packages at Areka Areas, SNNPR, Ethiopia”. Global Journal of Science Frontier Research 16, no. D2 (April 22, 2016): 37–41. Accessed August 13, 2026. https://www.journalofscience.org/index.php/GJSFR/article/view/1750.