Dasgupta, Ajit Kumar. Cost-benefit analysis : theory and practice / Ajit K. Dasgupta & D. W. Pearce. - ELBS pbk. ed. - London : Macmillan, 1978. - 270 p. : illus., maps ; 23 cm. Subjects--Topical Terms: Cost effectiveness.Welfare economics. Dewey Class. No.: 339.41