Tran, D. (2026) 《EXTRACURRICULAR ACTIVITIES IN ENGLISH LANGUAGE TEACHING AS A PATHWAY TO SUSTAINABLE DEVELOPMENT GOAL 4 IN HIGHER EDUCATION》, 知识学习与科学技术期刊 ISSN：2959-6386（在线）, 5(1), 页 32–45. doi:10.60087/jklst.vol5.n1.004.