000			00310nam a22001337a 4500
999			_c3873 _d3873
008			170411b xxu||||| |||| 00| 0 eng d
020			_a8176483664
082			_a371.102
100			_aNayak, A.K.
245			_aClassroom teaching
260			_aNew Delhi _bAPH Pub. _c2004
300			_a374p. :
942			_2ddc _cBK