000 00266nam a22001097a 4500
999 _c168172
_d168172
082 _a
_b
245 _aUnderstanding teaching and learning/
_cby V K Rao (ed.)
260 _aNew Delhi:
_bCommonwealth,
_c1992.
650 _a
700 _aV K Rao (ed.)
942 _cBK