ASTAN PUBLICATIONS. (2023). G.C.E. A/L BIOLOGY 2022. ASTAN PUBLICATIONS.
Chicago Style (17th ed.) CitationASTAN PUBLICATIONS. G.C.E. A/L BIOLOGY 2022. Colombo: ASTAN PUBLICATIONS, 2023.
MLA (9th ed.) CitationASTAN PUBLICATIONS. G.C.E. A/L BIOLOGY 2022. ASTAN PUBLICATIONS, 2023.
Warning: These citations may not always be 100% accurate.