EMOJI USE IN ONLINE COMMUNICATION: A SOCIOLINGUISTIC INVESTIGATION OF LANGUAGE PROFICIENCY, COMMUNICATION EFFICIENCY, AND SOCIAL FACTORS AMONG GCUF STUDENTS. International Journal of Social Sciences Bulletin, [S. l.], v. 4, n. 6, p. 221–231, 2026. Disponível em: https://ijssbulletin.com/index.php/IJSSB/article/view/2411.. Acesso em: 9 jun. 2026.