HAIMANN, Theo HILGERT, Raymond L. Supervision: concepts and practices of management /[by] Theo Haimann, Raymond L.Hilgert - 2nd ed. - Cincinnati South-Western pub. 1977 - x, 373 p. Includes index. ISBN: 538079207 Subjects--Topical Terms: Management Dewey Class. No.: 658 / HAI