并列题名：Several difficult problems and case studies in the process of urbanization Several difficult problems and case studies in the process of urbanization 并列题名：Research on agricultural land conversion in the process of urbanization 并列题名：Research on medical services in the process of urbanization Research on agricultural land conversion in the process of urbanization 并列题名：Rural governance in the process of urbanization Research on medical services in the process of urbanization 并列题名：Migration and return: migrant workers in the process of urbanization 并列题名：Poverty governance in the provess of urbanization 并列题名：Research on the reform of rural land system during the process of urbanization