ALFONSO, Robert J. Firth, Gerald R. Neville, Richard F. Instructional supervision: a behavior system /[by] Robert J.Alfonso, Gerald R.Firth, Richard F.Neville - 2nd ed. - Boston Allyn and Bacon 1981 - 488 p. Includes appendix and index. ISBN: 205071422 Subjects--Topical Terms: School supervision-United States Dewey Class. No.: 371.2 / ALF