TY - Journal of Changjiang River Scientific Research Institute A1 - SUN Xian, ZHENG Shang, ZHOU Hui T1 - Problems and Countermeasures of Sand Mining Management for River Channels in Tibet Autonomous Region Y1 - 2025-03-01 JF - Journal of Changjiang River Scientific Research Institute JO - Journal of Changjiang River Scientific Research Institute SP - 20 EP - 25 VL - 42 IS - 3 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20240135 ER -