000 00349nam a2200133Ia 4500
100 _aGerlach, Vernon S.; Ely, Donald P. & Melnick, Rob
020 _a0-13-891358-7
250 _a2nd
942 _cBK
245 _aTeaching & media : a systematic approach
260 _aPrentice Hall, New Jersey
_c1980
082 _a371.33 Ger/Ely
300 _ax,420
999 _c64965
_d64965