Ertmer, Peggy A. The ID casebook : case studies in instructional design / by Peggy A. Ertmer, James Quinn ; with an foreword by David Jonassen. - 2nd ed. - Upper Saddle River, N.J. : Merrill Prentice Hall 2003. - xiv, 242 p. : ill. ; 24 cm. 2nd ed. ISBN: 0130943215 Subjects--Topical Terms: Instructional systems--Design--Case studies. Dewey Class. No.: 371.3