D., G. F. . Pattern of Tree Abundance on Farms of Smallholders in the Greener Belt of Ethiopia. Canadian Journal of Agriculture and Crops, [S. l.], v. 4, n. 2, p. 153–172, 2019. DOI: 10.20448/803.4.2.153.172. Disponível em: http://onlinesciencepublishing.com/index.php/cjac/article/view/409. Acesso em: 9 may. 2024.