000			00325nam a22001337a 4500
003			OSt
008			200611b xxu||||| |||| 00| 0 eng d
082			_a371.13 W12T
100			_aWalia, J.S.
245			_aTeaching-Learning Process
260			_aJalandhar _bAltim Paul Pub.
650			_aTeaching; Learning
942			_2ddc _cB
999			_c189089 _d189089