1. Bond, R. (1998). Lessons for the large-scale application of process approaches from Sri Lanka, Gate Keeper Series 75. International Institute for Environment and Development (IIED), London
2. Process approaches to development: theory and Sri Lankan practice;Bond;World Development,1999
3. Brookes, A. (1998). Acid waters in Wales: Appraisal of strategic options. Mimeo. National Centre for Risk Analysis and Options Appraisal, Phase 1 Draft Report
4. Scoring and profitability models for evaluating and selecting engineering products;Dean;Journal of the Operations Research Society of America,1965
5. Department for International Development (DFID) (1995). Stakeholder participation and analysis. Social Development Division Issues Paper. London: DFID