HIGHLIGHTS
- who: Yifan Liu et al. from the Institute of Petroleum Economics and Management, Northeast Petroleum University, Daqing, Heilongjiang, China have published the research work: Applied Mathematics and Nonlinear Sciences 2022(aop) 1-13, in the Journal: (JOURNAL)
- what: 3 Data source and variable definition 3.1 Data source This paper drew samples from the resource-based cities in China that rely on natural resources to develop the economy from 2013 to 2020, officially released by the State Council; there are 262 areas developed by natural resources, including cities, districts, counties and municipal districts (development zones . . .
If you want to have access to all the content you need to log in!
Thanks :)
If you don't have an account, you can create one here.