00433nam a22001697a 4500020001800000041001300018082001300031100002500044245003000069250001600099260005000115300000900165700002200174700002200196700002200218700002300240  a9789937933438  aEnglish   a570bCOL  aSingh, Ananta Gopal   aCollege Biology Grade XI   arevised ed.  aKathmandu bAdvance Ayam Publication c2081BS  a632p  aJha, Bidhya Sagar  aShrestha, Govinda  aShah, Rup Bahadur  aBhandari, Sanjeev