000 00375nam a2200145Ia 4500
700 _aTrott, A. J.
100 _aOsborne, C .W.
020 _a0 89397 239 8
942 _cBK
654 _a
245 _aInternational Yearbook of Educational and Instructional technology 1986 / 87
260 _aLondon
_bKogan Page Limited
_c1986
082 _a371. 394
300 _c22 .5 cm
999 _c410057
_d410057
041 _aeng