Indigenous knowledge systems and sustainable development : the case of pest control by traditional paddy farmers in Sri Lanka

Kumaran, T. Vasantha

Indigenous knowledge systems and sustainable development : the case of pest control by traditional paddy farmers in Sri Lanka T. Vasantha Kumaran, Lakshman Dissanayake, S. Antony Norbert - Colombo Kumaran Book House 1992 - pbk : 125 p. ; 21.5 cm

ns


13

910.14 / KUM

© 2016 University of Peradeniya. All rights reserved.