000 00298nam a2200133Ia 4500
082 _a371.3
_bBAI
100 _aBanathy, Bela H.
_930839
245 _aInstructional systems
_cBela H. Banathy
260 _aBelmont:
_bFP,
_c1968.
300 _aiv, 106p.
500 _aPB
546 _aEng
942 _cBK
999 _c30008
_d30008