000 00285nam a2200109Ia 4500
100 _aHeinich Robert
942 _cBK
654 _a
245 _aInstructional Media and the new technologies of instrucation
260 _aNew York
_bMacmillan Publishing Company
_c1985
082 _a370.33
999 _c386874
_d386874
041 _aeng