Economic analysis of investment operations : analytical tools and practical applications / Pedro Belli .... at al. - Washington, D.C. : World Bank, 2001. - xxiii, 264 p. ; 24 cm. - WBI development studies . Includes bibliographical references and index. Open Access. ISBN: 0821348507 LCCN: 0043963 Subjects--Topical Terms: Economic development projects--Evaluation.