00679cam a2200181 a 4500 9280710435 658.1554 ANA Analysing the options : cost-benefit analysis in differing economic systems / edited by Yusuf J. Ahmad. Nairobi : United Nations Environment Programme, 1982. viii, 151 p. : ill. ; 21 cm. 0 0 0 658_155400000000000_ANA Environmental policy Cost effectiveness. 36388 Environmental protection Cost effectiveness. 36389 MCE 379 Ahmad, Yusuf J. United Nations Environment Programme. 6136 ddc BK 548371 548371 0 0 ddc 0 0 MCE MCE 2014-08-27 0 658.1554 ANA MCE-42707 2014-08-27 2014-08-27 BK