Nematullayeva , M. “O‘ZBEKISTON HUDUDIDAGI EKOLOGK MUAMMOLAR VA ULARNI BARTARAF QILISH MASALALARI”. Educational Research in Universal Sciences, vol. 3, no. 3 SPECIAL, Jan. 2024, pp. 224-7, http://erus.uz/index.php/er/article/view/5935.