000 00288nam a22000977a 4500
100 _aVelayudhan Nair T
245 _aPreparation and testing of pattern practice models .............
260 _aTrivandrum:
_bDept. of Education, Uty of Kerala
_c2000.
300 _a399p.
942 _2ddc
_cPD
999 _c712246
_d712246