Chopra, Kanchan Operationalising sustainable development : economic-ecological modelling for developing countries Kanchan Chopra and Gopal K. Kadekodi - New Delhi Sage Publications c1999 - 301p.; 24cm.- - Indo-Dutch studies on development alternative; no.22 . ISBN: 0761993304 Subjects--Topical Terms: Environmental Policy-Developing Countries-Mathematical Models Dewey Class. No.: 338.90091724 / CHO