Tong, Kin Neng, Iat In Fong, In Iat Li, Chi Him Anthony Cheng, Soi Chak Choi, Hau Xiang Ye, and WEI SHAN LEE. “APPLICATIONS OF TRAVELING SALESMAN PROBLEM ON THE OPTIMAL SIGHTSEEING ORDERS OF MACAO WORLD HERITAGE SITES WITH REAL TIME OR DISTANCE VALUES BETWEEN EVERY PAIR OF SITES”. International Journal of Engineering Science Technologies 5, no. 5 (September 24, 2021): 41–53. Accessed March 31, 2023. https://www.granthaalayahpublication.org/ojs-sys/ijoest/article/view/IJOEST_220.