MUHAMMADEMINOV ALIJON AZIZJON O‘G‘LI; SAIDOVA NIGORA KOMILJONOVNA. STEFFENSEN (EYTKEN-STEFFENSEN) USULI . Ta’lim innovatsiyasi va integratsiyasi , [S. l.], v. 20, n. 3, p. 97–100, 2024. Disponível em: http://web-journal.ru/index.php/ilmiy/article/view/4864. Acesso em: 6 oct. 2024.