@ARTICLE{
author={Kong Min,Liu Xinbao,Pei Jun,Pardalos Panos M,Mladenovic Nenad M},
year={2020},
title={Parallel-batching scheduling with nonlinear processing times on a single and unrelated parallel machines},
journal={JOURNAL OF GLOBAL OPTIMIZATION},
volume={78},
number={4},
pages={693-715},
document_type={Article},
} 

@ARTICLE{
author={Pei Jun,Mladenovic Nenad M,Urosevic Dragan B,Brimberg Jack,Liu Xinbao},
year={2020},
title={Solving the traveling repairman problem with profits: A Novel variable neighborhood search approach},
journal={INFORMATION SCIENCES},
volume={507},
number={},
pages={108-123},
document_type={Article},
}