000 00405nam a2200157Ia 4500
020 _a070081611
082 _a371.33
_bBRA
100 _aBrown, James W
_915421
245 _aAV instructional technology manual for independent study
250 _a4th ed.
260 _aNew York:
_bmcGraw-Hill,
_c1973.
500 _aPB
546 _aEng
650 _aInstructional materials centres
_922546
942 _cBK
999 _c30116
_d30116