SAYIFOV, B. Z. o‘g‘li; TOSHBOBOYEV, S. O‘ZBEKISTON RESPUBLIKASIDA SERTIFIKATLASHTIRISH TIZIMINING AHAMIYATI. Educational Research in Universal Sciences, [S. l.], v. 2, n. 6, p. 253–256, 2023. Disponível em: http://erus.uz/index.php/er/article/view/3311. Acesso em: 22 nov. 2024.