SAYDALIYEVA, D. PROBLEM RESEARCH IN SECOND LANGUAGE ACQUISITION. Журнал иностранных языков и лингвистики, [S. l.], v. 5, n. 5, 2023. Disponível em: https://matinfo.jdpu.uz/index.php/fll/article/view/8124. Acesso em: 4 апр. 2025.