Zymelman, Manuel The economic evaluation of vocational training programs / Manuel Zymelman - Baltimore : The University Press, c1976 - xi, 122 p. : ill. ; 23 cm. - World Bank staff occasional papers ; no. 21 . Bibliography: p. 117-122 ISBN: 0801818559 USD 6.00 Subjects--Topical Terms: Education--Economic aspectsVocational education Dewey Class. No.: 371.426