00426nam a22001697a 4500020001800000041001300018082001300031100002300044245003900067250001300106260004400119300001000163700001900173700002100192700002300213700002000236  a9789937050487  aEnglish   a510bPRI  aAdhikari, Nabaraj   aPrinciples of Mathematics Grade XI  a1st ed.   aKathmandu bKriti Publication c2077BS   a584p   aJeeven, Kafle   aJoshi, Amba Datt  aBhatta, Raghu Bir   aAcharya, Gopal