Rajasekaran, B., and D. Michael Warren. (1994) 1994. “IK for Socioeconomic Development and Biodiversity Conservation: The Kolli Hills”. Indigenous Knowledge and Development Monitor 2 (2): 13-17. http://www.ciesin.org/kiosk/ebs/Newsletter/IKNEWS/5art5.txt.
forest gardens
Warren, D. Michael. (1991) 1991. “Indigenous Knowledge and Development (revised Version)”. In . Washington, DC.