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020 _a9780521735373
082 _a371.335
_bMAY
_223
100 _aMAYER, Richard E.
245 _aMulti-media learning /
_c[by] Richard E.Mayer
250 _a2nd ed.
260 _aCambridge
_bCambridge University Press
_c2009
300 _axiii, 304 p.
500 _aincludes references and index.
509 _aNS
650 _aComputer-assisted instruction
650 0 _a Interactive multimedia
_9110635
942 _cR