Dhanarattigannon J, Thongnuan T, Kongcharoen P- ampai. A True Longitudinal Corpus Study of the Lexical Competence of L2 English Major Students: Determining the Effectiveness of the Writing Track . LEARN [internet]. 2025 Jan. 31 [cited 2026 Aug. 26];18(1):352-75. available from: https://so04.tci-thaijo.org/index.php/LEARN/article/view/277565