000 00257nam a22001097a 4500
082 _a510.71
_bDOL.H
245 _aMathematics teacher resource hanbook /
260 _aDelhi :
_bCorwin press,
_c1993.
300 _a453p. :
650 _aHand book
942 _cBK
999 _c624510
_d624510