SAYFULLAYEVA, Umida. Multi-Level Structure of Language Education in a Technical University. American Journal of Social and Humanitarian Research, [S. l.], v. 2, n. 9, p. 151–154, 2021. DOI: 10.31150/ajshr.v2i9.630. Disponível em: https://globalresearchnetwork.us/index.php/ajshr/article/view/630. Acesso em: 17 aug. 2025.