00269nam a22000977a 450000500170000000800410001708200130005824500490007126000410012030000100016120250326074001.0250326b        |||||||| |||| 00| 0 eng d  a570bBIO  aBiology G.C.E.(A/L) past Papers with Answers  aColombo :bAstan Publication,c2024.  a120p.