U. Ixlasov and İ. Ixlasov, “BASLAWÍSH KLASS SABAQLÍQLARÍNÍŃ BILIMLENDIRIW JÁMÁÁTINDEGI ORNÍ”, SS, no. 2, pp. 67–68, Mar. 2016, Accessed: Aug. 08, 2026. Available: https://journal.ndpi.uz/ss/article/view/2016-2-042