TY  - BOOK
AU  - M. David Merrill; Jeroen van Merrienboer; Michael J. Spector; Marcy P. Driscoll; David Jonassen; Marcy Driscoll
TI  - Handbook of Research on Educational Communications and Technology
SN  - 9780203880869
PB  - Taylor and Francis
UR  - http://www.taylorfrancis.com/books/9780203880869
ER  -