00373nam a22001337a 4500008004100000020001500041041000900056082001400065100002800079245005700107260004400164300001500208650001600223240605b        |||||||| |||| 00| 0 eng d  a999330056x  aEng.  a510/R453o  aRajopadhyaya, Mana Raja  aOptional Mathematics:bfor secondary school grade 10  aKathmandu:bRatna pustak bhandar,c2000  a218p.:ill.  aMathematics