Vol 11, No 2 (2021)

Table of Contents

Articles

Journal coverpage PDF
Journal Editor
Evaluation of Biogas Production by Anaerobic Digestion of Duckweed (Lemna minor) and Cattle Manure PDF
Alemayehu Negassa 1-8
Understanding Factors Affecting Livelihood Strategies of Firewood and Charcoal Producers in the Dry Lands of Ethiopia PDF
Tensaye Abate 9-16
Analysis of Crude Oil Production in Nigeria by Servicing Companies PDF
Oladimeji O.A., Ikotun D.O., Ademuyiwa J.A., Olaniyan J.O 17-29
The Potential of Renewable Energy in Mozambique: An Overview PDF
Luís Cristóvão, Fernando Chichango, Pedro Massinga Jr, Joaquim Macanguisse 30-37


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ISSN (Paper)2224-3232 ISSN (Online)2225-0573

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