Sayifov, B. Z. o‘g‘li and Toshboboyev, S. (2023) “O‘ZBEKISTON RESPUBLIKASIDA SERTIFIKATLASHTIRISH TIZIMINING AHAMIYATI”, Educational Research in Universal Sciences, 2(6), pp. 253–256. Available at: http://erus.uz/index.php/er/article/view/3311 (Accessed: 22 November 2024).