00467nam a22001817a 4500020001800000041001200018082001300030100002300043245003500066250001100101260005300112300000900165650001200174700002600186700002600212700002300238700002400261  a9789937744386  aEnglish  a570bPRI  aPaudel, Mukti Ram   aPrinciples of Biology Grade XI  a3rd ed  aKathmandu bAdvance Saraswati Prakashan c2081BS  a576p  aScience  aMandar, Lalit Narayan  aThapa, Ganesh Bahadur  aGhimire, Uttam Raj  aNiroula, Som Prasad