Oeun S, Heng K. Factors Contributing to Students’ Failure in the English Subject in National Grade 12 Examinations in Cambodia: A Literature Review. jSEL [internet]. 2024 Aug. 26 [cited 2026 Jan. 6];19(2):85-116. available from: https://so04.tci-thaijo.org/index.php/jsel/article/view/273473