1. Medicinal Plants and Enigmatic Health Practices of Northern Ethiopia;Abebe,1993
2. Arsi Zone Food Security Program, 2002. First Quarter Report on EGS (Employment Generation Scheme) project. Oromia Food Security Program.
3. Indigenous African Food Crops and Useful Plants. Survey of Food Crops, their Preparation and Home Gardens in Ethiopia. UNU/INRA No. B6, ICIPE;Asfaw,1997
4. Home gardens in Ethiopia: characteristics and plant diversity SINET;Asfaw;Ethiopian Journal of Science,1995
5. Awas, T., Asfaw, Z., 1999. An ethnobotanical study of the Bertha people of the Benishangul Gumuz region in Western Ethiopia. In: Program and Abstracts of the National Workshop ‘Have We Valued Our Biodiversity?’ Addis Ababa, Ethiopia.