Tran, D. 2026. EXTRACURRICULAR ACTIVITIES IN ENGLISH LANGUAGE TEACHING AS A PATHWAY TO SUSTAINABLE DEVELOPMENT GOAL 4 IN HIGHER EDUCATION. Journal of Knowledge Learning and Science Technology ISSN: 2959-6386 (online). 5, 1 (Mar. 2026), 32–45. DOI:https://doi.org/10.60087/jklst.vol5.n1.004.