1. Abeje E, Demel T, Hulten H. 2005. The Socio-Economic Importance and Status of Populations of Boswellia papyrifera (Del.) Hochst in Northern Ethiopia: The Case of North Gondar Zone. Forests, Trees and Livelihoods, 15: 55–74.
2. Adefires W. 2006. Population Status and Socio-economic Importance of Gum and Resin Bearing Species in Borana Lowlands, southern Ethiopia (MSc. Thesis). Addis Ababa, Ethiopia: Addis Ababa University, pp. 30–55.
3. Akimaliev J. 2005. Soil Degradation in Kyrgyzstan and Measures of Soil Improvement. In: El-Beltagy, A. and Saxena, M. C. (Eds.). Sustainable Development and Management of Drylands in the Twenty-first Century. Proceedings of the Seventh International Conference on the Development of Drylands, 14–17 September 2003, Tehran, Iran.
4. Alemayehu W. 2002. Opportunities, constraints and prospects of the Ethiopian Orthodox Tewahido Churches in conserving forest resources: the case of churches in South Gondar, northern Ethiopia (MSc. Thesis). Uppsala, Sweden: Swedish University of Agricultural Sciences, pp. 75–95.
5. Alemnew A. 2001. Diversity and socio-economic importance of woody plants on the peninsula of Zegie, northwestern Ethiopia (M.Sc. Thesis). Uppsala, Sweden: Swedish University of Agricultural Sciences, pp. 40–65.