00345nam a2200133Ia 4500008004100000040001600041041001200057082002000069100001600089245004200105250001200147260003700159300001500196230917s9999||||xx |||||||||||||| ||und||  e84029aMAIN  aEnglish  a372.35044 M314T  aMangal, S K 0aTeaching of physical and life science  a2nd ed.  aNew DelhibArya Book Depotc1992  axv, 397 p.