1. Scaling-up PRA;Paul,1998
2. Scaling-up of participatory approaches through institutionalization in Government Services;Hagmann,1998
3. Charles A. Sustainable Fishery Systems, Saint Mary's University, Halifax, Nova Scotia, Canada, 2001.
4. Systems of knowledge;Ruddle;Environment, Development and Sustainability,2000
5. Berkes F. Traditional ecological knowledge in perspective. In: Inglis JT, editor. Traditional ecological knowledge: concepts and cases. Ottawa: International Program on Traditional Ecological Knowledge, International Development Research Center, 1993. p. 1–9.