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P6794.1981.4

The economics of survival : the role of cost-benefit analysis in environmental decision-making / ed. by Yusuf. J. Ahmad ; United Nations Environment Programme. - Nairobi : United Nations, 1981. - XXIV, 79 s. ; 24 cm. - (UNEP Studies ; 4)

[000025467]





P6794.1981.6

Evaluating the environment : application of cost-benefit analysis to environmental protection measures / ed. by Yusuf J. Ahmad. - Nairobi : UNEP, 1981. - VII, 100 s. : tab., wykr. ; 24 cm. - (UNEP Studies ; 6)

[000027927]





P6794.1982.5

Analysing the options : cost-benefit analysis in differing economic systems / ed. by Yusuf J. Ahmad ; United Nations Environment Programme. - Nairobi : UNEP, 1982. - VIII, 151 s. : rys., wykr. ; 21 cm. - (UNEP Studies ; 5)

ISBN 92-807-1043-5

[000024463]





P6794.1981.3

The African child and his environment / ed. R. Ogbonna Ohuche, Barnabas Otaala ; UNEP. - Oxford : Pergamon Press, 1981. - 97 s., [2] k. tabl. : fot. ; 21 cm. - (UNEP Studies ; vol. 3)

[000023972]





P6794.1981.2

Environment and development in Africa. - New York : UNEP, 1981. - 75 s. ; 24 cm. - (UNEP Studies ; vol. 2)

[000027577]