APA (7th ed.) Citation

(2023). Gunasena master mind Mathematics: : O/L past papers & answers 2016 to 2021. M. D. Gunasena.

Chicago Style (17th ed.) Citation

Gunasena Master Mind Mathematics: : O/L Past Papers & Answers 2016 to 2021. Colombo: M. D. Gunasena, 2023.

MLA (9th ed.) Citation

Gunasena Master Mind Mathematics: : O/L Past Papers & Answers 2016 to 2021. M. D. Gunasena, 2023.

Warning: These citations may not always be 100% accurate.