INTEGRATION OF SUSTAINABLE DEVELOPMENT CONCEPTS INTO UNIVERSITY SERVICE SPECIALTY CURRICULUM: AN ENGLISH LANGUAGE TEACHING PERSPECTIVE. Education in the 21st Century, [S. l.], v. 7, n. 2, p. 175–183, 2025. DOI: 10.46991/educ-21st-century.v7.i2.175. Disponível em: https://journals.ysu.am/index.php/Educ-21st-Century/article/view/13472. Acesso em: 22 jan. 2026.