00615nam a22001697a 4500 20090619103742.0 090619t xxu||||| |||| 00| 0 eng d 0047-6269 510 The mathematics education a quarterly journal devoted to mathematics education and research Siwan Kumar Pankaj 2007- v. 24 cm Quarterly Siwan 841226 06154-243832 TMESIWAN_1967@YAHOO.CO.IN ddc SR 510 MAT 1 27617 27617 0 0 ddc 0 1 NFIC DBAD DBAD 2009-06-19 0 510 MAT 2009-06-19 00:00:00 2009-06-19 SR