00360nam a2200145Ia 4500003000400000005001700004008004100021040000700062041000800069082001500077100002200092245003900114260005200153300000900205OSt20260724151215.0260720s2006    xx            000 0 und d  cAL  aeng  a372.8 SWAT  aKumar, S J Vijaya  aTechniques of teaching mathematics  aNew DelhibOrbis Books Sonali Publicationc2006  a232p