“Demonstration and Evaluation of Dual Purpose Chicken Potchefstroom Koekoek Packages at Areka Areas, SNNPR, Ethiopia”. Global Journal of Science Frontier Research 16, no. 10 (April 5, 2016): 37–41. Accessed November 1, 2026. https://www.journalofscience.org/index.php/GJSFR/article/view/.