00462nam a22001817a 450000500170000002000180001704100130003508200150004810000230006324500400008625000170012626000440014330000100018770000220019770000210021970000230024070000170026320250608083820.0  a9789937050487  aEnglish   a510bADH-p  aAdhikari, Nabaraj   aPrinciples of Mathematics Grade XII  aRevised ed.   aKathmandu bKriti Publication c2082BS   a558p   aBhandari, Nabaraj  aJoshi, Amba Datt  aBhatta, Raghu Bir   aBagale, Lila