T. Atsbeha, A., and G. T. Yayneshet. “Rural Poultry Marketing Systems and Associated Marketing Constraints in Two Agro-Ecological Zones of Central Tigray, Northern Ethiopia”. Scientific Journal of Animal Science 2, no. 6 (June 29, 2013): 150-159. Accessed January 21, 2022. https://www.sjournals.com/index.php/sjas/article/view/1074.