phil sleeman books & textbook
Instructional Design : A Primer by Bruce Ledford (2000-04-01)
Information Age Publishing (2000-04-01) /1656-01-01 Paperback
Instructional Design: Systems Strategies
Information Age Publishing /2002-12-01 Paperback / 240 Pages
isbn-10: 1931576823 / isbn-13: 9781931576826
