Dasgupta, Ajit K. Cost-benefit analysis : theory and practice / Ajit K. Dasgupta and D.W. Pearce. - Reprinted with corrections - Houndmills, Basingstoke : Macmillan Education, 1987. - 270 p. ; 22 cm. ISBN: 0333113977 Subjects--Topical Terms: Welfare economicsCost effectiveness