新型农村养老保险制度研究：以云南为例：based on the case in Yunnan Province based on the case in Yunnan Province “三权三证”抵押贷款风控机制研究：基于云南的实践：based on the practice in Yunnan Province 生态底线指标体系研究：以贵州为案例：based on the case study of Guizhou Province based on the practice in Yunnan Province 区域产业发展问题实例解析：基于河南省的数据：based on the data of Henan Province 乡村振兴的路径：基于云南的考察：based on the investigation of Yunnan province