1 Rajasekaran, B.; Martin, R. A.; Warren, D. M.. 1993. A framework for incorporating indigenous knowledge systems into agricultural extension. Indigenous Knowledge and Development Monitor, 1(3):21-24.
(Location: IWMI-HQ Call no: P 3418 Record No: H014319)
2 Warren, D. M.; Slikkerveer, L. J.; Brokensha, D. (Eds.) 1995. The cultural dimension of development: indigenous knowledge systems. London, UK: Intermediate Technology Publications. 582p.