Ahmadaliyev , Y., and A. Madraximov. “GEOGRAFIK NOMLARNING EKOLOGIK FUNKSIYALARINI TADQIQ ETISH USULLARI”. Farg’ona Davlat Universiteti, vol. 29, no. 2, Oct. 2023, p. 152, https://journal.fdu.uz/index.php/sjfsu/article/view/2411.