00409    a2200133   4500020001500000050001900015100003200034245008500066264004200151300001200193500002500205650001600230700002900246  a8184110391  aQA 11 KUM 2006  akumar, Vijaya S. J.eauthor  aTechniques of teaching mathematicscS.J. Vijaya Kumar and Digumarti Bhaskara Rao  aNew Delhi :bSonali Publicationc2006  a201p. :  aTeaching mathematics  aMathematics  aRao,  Digimarti Bhaskara