Gebreeyessus, G. D.
Berihun, D.
Terfassa, B.
Article History
Received: 7 March 2018
Revised: 27 June 2018
Accepted: 3 August 2018
First Online: 12 August 2018
Compliance with ethical standards
:
: All authors declare that there is no conflict of interest among authors and/or other associated in this current research work.
: Before commencing the work, the research proposal was evaluated and approved by the Institutional Research Ethics Board of Kotebe Metropolitan University Institutional Ethical Review Committee that is run by: Dr. Elazar Tadesse Bala: Chair person, Mr. Daniel Zewde: Secretary, Mr. Engida Tade: Member, Dr. Tadesse Gemechu: Member, Dr. Teferi Bogale: Member, Dr. Teshome Belay: Member. The above-mentioned committee approves also that it does not have any objection to the submission of the manuscript for the International Journal of Environmental Science and Technology.
: All authors declare that they have consented on the work fully to be submitted to the International Journal of Environmental Science and Technology.