EMMY ERWINA; BIMA PRANA CHITRA; LISNA SARI SIREGAR; WIDELYA SHAFA APRIL; WINANDA SALVIRA. AN ANALYSIS OF THE USE OF ENGLISH IN BUSINESS CORRESPONDENCE IN MEDAN AND ITS IMPACT ON PROFESSIONAL COMMUNICATION EFFECTIVENESS IN THE ERA OF DIGITAL GLOBALIZATION. Vernacular: Linguistics, Literature, Communication and Culture Journal, [S. l.], v. 4, n. 2, p. 326–335, 2025. Disponível em: https://www.jurnal.harapan.ac.id/index.php/Vernacular/article/view/1533. Acesso em: 26 jul. 2026.