000			00302nam a2200121 4500
082			_a370 _bPRE.D
084			_2Colon Classification
100			_aPreetha Rajan, R V
245			_aStudy of the problem ... / _cby Preetha Rajan R V
260			_bM.Ed.Thesis, _c1987.
650			_aEducation
942			_cBK
999			_c677933 _d677933