Kuptanaroaj N, Koolsriroj U, Mahavijit P. Development of an Online Self-learning Package to Improve English Reading Skills Based on the Common European Framework of Reference for Languages for Undergraduate Students. J.Humanities Social Sciences [internet]. 2025 Oct. 14 [cited 2026 Oct. 12];8(5):1979-2001. available from: https://so04.tci-thaijo.org/index.php/jmhs1_s/article/view/279818