Measures of Water Resources Protection in Mesa andHilly Region of Northeast Sichuan Province
CHEN Qiu-yan, ZHANG Feng-qiu, WU Qiang-jianzhong, LUO Pei
JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI . 2018, (10): 48 -52 .  DOI: 10.11988/ckyyb.20170385