SARGSYAN, Lilit. THE PECULIARITIES OF TEACHING SINGULAR AND PLURAL NOUNS IN ENGLISH AND RUSSIAN CLASSES IN MIDDLE SCHOOL. Education in the 21st Century, [S. l.], v. 9, n. 1, p. 154–163, 2023. DOI: 10.46991/ai.2023.1.154. Disponível em: https://journals.ysu.am/index.php/Educ-21st-Century/article/view/10338. Acesso em: 21 nov. 2024.