000 00490nam a2200169 a 4500
020 _a9844584779 :
082 0 4 _a510
100 1 _aরায়, গৌড়গঙ্গা দেব
_95399
245 0 0 _aএকটুখানি গণিত /
_cEktokhani Gonit / Gauranga Deb Roy
250 _a1st ed.
260 _aSomoi :
_bDhaka,
_c2004.
300 _a326p.
520 0 _a Mathematics and Statistics
650 1 7 _aMathematics
_95400
650 2 7 _aMath Olympiad
_95401
942 _cBK
999 _c4801
_d4801