Emerson, Craig Economic evaluation of mineral processing projects : a case study of copper smelting in the Philippines / Craig Emerson - Development Studies Centre , Dhaka : 1982 - 29p. : ill. ; 30 cm. - DSC occational paper No. 32 . Includes bibliographical references and index. Subjects--Topical Terms: Copper industryPhilippines Gov. Doc. Class. No.: AU ANU DSC OP-32