Z. Tojiyeva, Z. Yongfeng, и Z. Hui, «STUDY ON THE COUPLING RELATIONSHIP OF POPULATION, RESOURCES, ENVIRONMENT AND ECONOMY IN HOHHOT-BAOTOU-ORDOS-ULANQAB URBAN AGGLOMERATION», SS, вып. 3-1, сс. 29–31, авг. 2022, просмотрено: авг. 07, 2026. доступно на: https://journal.ndpi.uz/ss/article/view/2022-3-1-011