000 00516cam a2200157 4500
020 _a0408701382
050 0 0 _aMED LB1028.3
_bC664
245 0 0 _aContributions to an educational technology;
260 _aLondon,
_bButterworths,
_c1972-1978.
300 _a294P
_billus., facsims.
500 _aVol. 2, ed. by J. Hartley and I. K. Davies, published by Kogan Page, London, and Nichols Pub. Co., New York.
650 0 _aEducational technology.
700 1 _aDavies, Ivor K.
700 1 _aHartley, James,
942 _cBK
999 _c14407
_d14407