1. Changjun, W., Yangyang, Q., & Xiangli, W. (2019). A study on economic-population contraction governance in resource-exhausted cities: A realistic analysis based on resource-exhausted cities in Heilongjiang Province. Macroeconomics, 08(1), 156–169.
2. Das, D. K. (2019). Exploring perspectives of the information technology industry in a South African city. Sustainability, 11(22), 6520.
3. Dongmei, J., Xiaoshun, L., & Yuexiang, W. (2021). Coordinating urban construction and coal resource mining based on equilibrium value between coal reserve and land resource in coal cities. Geomatics, Natural Hazards and Risk, 12(1), 2865–2879.
4. Fang, H. (2015). Carbon emission in coal-oriented city: A case study of Pingdingshan city. China Mining Magazine, 24(10), 93.
5. Fuxi, W., Aihua, M., & Helong, L. (2013). Quality measurement and regional difference of urbanization in Shandong Province based on the entropy method. Scientia Geographica Sinica., 33(11), 1323–1329.