Meyen, Edward L. Developing instructional units: applications for the exceptional child - 2nd ed. - Dubuque: W. C. Brown, 1976 - xiii, 287 p. : ill. ; 23 cm. Bibliography included ISBN: 0697062430 Subjects--Topical Terms: CHILDREN WITH MENTAL DISABILITIES-Education Dewey Class. No.: 371.3 / MEY