.......... GCE A/L Physics Answers with Explanations 2005-2014. Astan Publication.
Chicago Style (17th ed.) Citation.......... GCE A/L Physics Answers with Explanations 2005-2014. Colombo: Astan Publication.
MLA (9th ed.) Citation.......... GCE A/L Physics Answers with Explanations 2005-2014. Astan Publication.
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