Othman, M. R., Ali Othman, Z., Srour, A. I., & Sani, N. S. (2019). A Hybrid Water Flow-Like Algorithm and Variable Neighbourhood Search for Traveling Salesman Problem. International Journal on Advanced Science, Engineering and Information Technology, 9(5), 1505–1511. https://doi.org/10.18517/ijaseit.9.5.7957