00468nam a22001817a 4500020001800000041001200018082001300030100002700043245003500070250001100105260005300116300000900169650001200178700002200190700002700212700002300239700002400262  a9789937744386  aEnglish  a570bPRI  aThapa, Ganesh Bahadur   aPrinciples of Biology Grade 11  a2nd ed  aKathmandu bAdvance Saraswati Prakashan c2078BS  a544p  aScience  aPaudel, Mukti Ram  aMandal, Lalit Narayan   aGhimire, Uttam Raj  aNiroula, Som Prasad