00381nam a22001577a 450000500170000002000180001704100130003508200160004810000270006424500360009125000120012726000420013930000080018165000120018970000220020120250731083958.0  a9789937077538  aEnglish   a530bKOI-p   aKoirala, Rajendra  Pd.  aPrinciples of Physics Grade XI   a5th ed.  aKathmandu bAsmita Publication c2082  a648  aScience  aKhanal, Prajjwal