lunenburg .fred c Educational administration. concepts and practices / [[Book] :] fred c lunenburg, allan c. ornstein . - 5th ed . - australia : wadsworth cengage learning . - 554 p ; 30 cm . - v. 4-9; fall 1975-1981. ISBN: 9780495806226 ISSN: 0307-9090 Dewey Class. No.: 371.2 National Library of Medicine Call No.: / L E