Open Shop Scheduling Problems Considering Equipment Preventive Maintenance 
ZHU Chuanjun, FENG Shijian, ZHANG Chaoyong, JIN Liangliang, WANG Linlin
China Mechanical Engineering . 2023, (14): 1693 -1700 .  DOI: 10.3969/j.issn.1004-132X.2023.14.006