Creative Commons License This work is licensed under a Creative Commons Attribution 4.0 International License.

 

Lista autorilor

ALI Mushir - Mekelle University, Department of Geography and Environmental Studies, Mekelle, ETHIOPIA. E-mail: mushirjbd@gmail.com

EKWAL Imam - Mekelle University, Department of Biology, Mekelle, ETHIOPIA. E-mail: ekwalimam@rediffmail.com; ekwalimam01@gmail.com

TAHIR Hussain - Mekelle University, Department of Geography & Environmental Studies, Mekelle, ETHIOPIA. E-mail: tessytahir@gmail.com