00492nam a22001937a 450000500170000002000180001704100130003508200130004810000230006124500390008425000170012326000440014030000100018465000180019470000220021270000210023470000230025570000200027820250610082502.0  a9789937050487  aEnglish   a510bPRI  aAdhikari, Nabaraj   aPrinciples of Mathematics Grade XI  aRevised ed.   aKathmandu bKriti Publication c2080BS   a604p   aMath, algebra  aBhandari, Nabaraj  aJoshi, Amba Datt  aBhatta, Raghu Bir   aAcharya, Gopal