MAXMUTALIYEVA MARG’UBA. PRINSCIPLES OF MATERIALS DEVELOPMENT FOR ESP TRAINING COURSES. JournalNX - A Multidisciplinary Peer Reviewed Journal, [S. l.], v. 9, n. 4, p. 168–171, 2023. DOI: 10.17605/OSF.IO/ZCWXE. Disponível em: https://repo.journalnx.com/index.php/nx/article/view/4735. Acesso em: 16 apr. 2025.