1. Allan, N.J.R., Knapp, G.W. and Stadel, C. (eds.) (1988). Human Impacts on Mountains. Rowman & Littlefield, New Jersey.
2. Altieri, M.A. (1987). Agroecology: The Scientific Basis of Alternative Agriculture. Westview Press, Boulder, Colorado
3. Anderson, J.R. and Jodha, N.S. (1994). Agricultural research strategy for more enduring productivity in fragile areas. In:Anderson, J.R. (ed.) Agricultural Technology: Policy Issues for the International Community. CAB International, Wallingford, U.K.
4. Bajracharya, B. (1992). A Review of Literature Focused on Indicators of Unsustainability of Mountain Agriculture in Nepal. (A report for ICIMOD.) International Centre for Integrated Mountain Development (ICIMOD), Kathmandu
5. Bandyopadhyay, J., Jayal, N.D., Schoettli, U. and Singh, C. (eds.) (1985). India’s Environment: Crisis and Responses. New Delhi