000 00408cam a2200121 4500
020 _a0901135011 (pbk.)
100 1 _aGILBERT Thomas F
245 0 _aMathetics :
_ban explicit theory for the design of teaching programmes
260 _aLondon:
_bLongmac,
_c1969
300 _a144p.
440 _aRECALL: Review of educational cybernetics and applied linguistics, supplement I, March 1969
945 _i0010795
_rY
_sY
999 _c46090
_d46090