1. Gerlach and Ely Model (1980). 2. ISD Practitioners' Model by Seels and Glasgow (1998). 3. Rapid Collaborative Prototyping by Dorsey, Goodrum, and Schwen (1997).

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84. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

85. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

86. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

87. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

88. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

89. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

90. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

91. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.

92. References
Culatta, R.E. (2010). Instructional design: rapid
prototyping. Retrieved from http://
www.instructionaldesign.org/models/
rapid_prototyping.html
Gustafson, K.L., and Branch, R.M. (2002). Survey of
instructional development models. Retrieved
from Eric. ED477517.