1. Bezabih G, Godifay G, Ye-ebiyo G, Hagazi N, Estifanos A, Hagos T (2014) The value of Acacia saligna for the local beekeeping industry and the importance of bees to Acacia saligna seed yield and quality. International Conference on Acacia species for Food Security and Environmental Rehabilitation in the Dryland Areas of Northern Ethiopia,. Tigray Agricultural Research Institute, World Vision Tigray, Ethiopia
2. Cunningham P (2011) Trip Report. Ethiopia 14–25 March 2011. Unpublished report. World Vision Australia, Tigray, Ethiopia, pp 1–11
3. Dawson I, Hollingsworth P, Doyle J, Kresovich S, Weber J, Sotelo Montes C, Pennington T, Pennington R (2008) Origins and genetic conservation of tropical trees in agroforesty systems: a case study from the Peruvian Amazon. Conserv Genet 9:361–372
4. EFAP (1994) The challenges for development. Final Report. Ethiopian Forestry Action Program, Ministry of Natural Resources Development and Environmental Protection, Addis Ababa, Ethiopia
5. Excoffier L, Smouse P, Quattro J (1992) Analysis of molecular variance inferred from metric distances among DNA haplotypes: application to human mitochondrial DNA restriction data. Genetics 131:479–491