000			00399nam a2200157Ia 4500
008			240930s9999||||xx |||||||||||||| ||und||
020			_a8126105216
082			_a507 _bYAD
100			_aYadav,M.S.
245		0	_aModern methods of science teaching in secondary schools
250			_a2nd Ed.;
260			_aNewdelhi _bAnmol, _c2000
300			_a264p.; _c23cm
650			_aEducation
942			_cLM
999			_c132525 _d132525