1 Balbarino, E. A.; Alcober, D. L. 1999. Participatory technology development for watershed management in Leyte, the Philippines. In Hinchcliff, F.; Thompson, J.; Pretty, J.; Guijt, I.; Shah, P. (Eds.). Fertile ground: The impacts of participatory watershed management. London, UK: IT Publications. pp.62-74.
(Location: IWMI-HQ Call no: 333.91 G000 HIN Record No: H024861)
2 Ranaweera, N. F. C.; Gunasena, H. P. M.; Senanayake, Y. D. A. (Eds.) 1998. Changing agricultural opportunities: The role of farming systems approaches - Proceedings of the 14th International Symposium on Sustainable Farming Systems, Colombo, Sri Lanka, 11-16 November 1996. Peradeniya, Sri Lanka: Asian Farming Systems Association (AFSA) xv, 477p.