Ahmad, Yusuf J. The economics of survival : the role of cost-benefit analysis in environmental decision-making - Nairobi : United Nations Environment Programme, 1981 - xi,79p. : ill. ; 22cm. - UNEP studies; 4 . Includes index ISBN: 92-807-1042-7 Subjects--Topical Terms: Cost effectiveness, Economics, Environmental protection LC Class. No.: PAM HD47.4.E6