京津冀生态环境协同保护：进展、效果与对策

李惠茹,杨丽慧

The Ecological Environment Protection Integration of Beijing Tianjin Hebei:Progress, Effects and Countermeasures

LI Hui-ru ,YANG Li-hui

河北大学学报(哲学社会科学版) . 2016, (1): 66 -71 . DOI: 10.3969/j.issn.1005-6378.2016.01.010