00457nam a22001817a 4500020001800000041001300018082001300031100002500044245003000069250001300099260005000112300000900162650001200171700002500183700002200208700002300230700002200253  a9789937933483  aEnglish   a570bCOL  aSingh, Ananta Gopal   aCollege Biology Grade XII  a1st  ed.  aKathmandu bAdvance Ayam Publication c2078BS  a634p  aScience  aHamal, Jaya Prakash   aJha, Bidhya Sagar  aChaudhary, Buddhan  aShah, Rup Bahadur