Cost-benefit analysis : concepts and practice / Anthony E. Boardman...[et al.] - 2a ed. - Upper Saddle River, New Jersey : Prentice Hall, 2001 - xvi, 526 p. : il. ; 24 cm. Bibliografía : p. 489-510 e índices ISBN: 0130871788 Subjects--Topical Terms: Costo-efectividad LC Class. No.: HD47.4 / C67 2001