Research into the Average Loading Rate and 4-stage Algorithm of the Capacitated Vehicle Routing Problem
RAO Wei-zhen, LI Mei-yan, XUN Nan, WANG Bing-cheng, YU Hao, HOU Yan-hui
Operations Research and Management Science . 2018, (12): 64 -72 .  DOI: 10.12005/orms.2018.0280