Instructional design /

by Smith, Patricia L. (Patricia Lucille)
Hoboken, N.J. : J. Wiley & Sons, 2005
Third edition.

Instructional design /

by Smith, Patricia L. (Patricia Lucille), Ragan, Tillman J.
Hoboken, NJ : John Wiley & Sons, Inc., 2005
3rd edition.

Instructional design /

by Smith, Patricia L. (Patricia Lucille), Ragan, Tillman J.
New York : Wiley, 1999
2nd ed.