Rezaeipanah,A. , , Ahmadi,G. , , Hajiani,M. , and Darzi,M. R. . "An Improved Hybrid Cuckoo Search Algorithm for Vehicle Routing Problem with Time Windows", Journal of Quality Engineering and Production Optimization, 4, 2, 2019, 189-208. doi: 10.22070/jqepo.2020.4978.1119