000			00604nam a22002177a 4500
003			OSt
005			20250114153254.0
008			250114b |||||||| |||| 00| 0 eng d
020			_a8170620627
040			_cCUS
082			_a378.54 _bRAO/O
100			_aRao, K. Sudha _930442
245			_aOpen Learning System
260			_aNew Delhi: _bLancer Press, _c1989.
300			_a148p.
505			_a1) Introduction 2) Open Learning System 3) Open Teaching -Learning System
650			_aEducation
650			_aIndian Scenario _930443
650			_aOpen Learning System _930444
942			_2ddc _cWB16
999			_c215109 _d215109