Siyum, Gebru Eyasu, and Tuemay Tassew. 2019. “The Use of Homegarden Agroforestry Systems for Climate Change Mitigation in Lowlands of Southern Tigray, Northern Ethiopia”. Asian Soil Research Journal 2 (2), 1-13. https://doi.org/10.9734/asrj/2019/v2i230049.