por Baily, Peter J. H [autor] | Fearon, Harold E [autor] | England, Wilbur B [autor] | Leenders, Michel R [autor] | García Mendoza, Alberto [traductor] | Baily, Peter J. H. Purchasing and materials management.
por Henry, William R [autor] | Haynes, W. Warren (William Warren), 1921-1972 [autor] | García Mendoza, Alberto [traductor] | Henry, William R. Managerial economics.