The Contribution of Agro forestry System to Tree Biodiversity Conservation and Rural Livelihood: The Case of Lay Armachiho District, Gondar, Ethiopia. int.jour.sci.res.mana [Internet]. 2018 May 4 [cited 2024 May 6];6(05):AH-2018. Available from: https://ijsrm.net/index.php/ijsrm/article/view/1462