Abd Ghani, Ahmad Termimi, Abu Osman Md Tap, Mahadzirah Mohamad, and Mohd Lazim Abdullah. “Rough Fuzzy Approach in Tourism Demand Analysis”. MATEMATIKA 25 (June 1, 2009): 1–8. Accessed November 22, 2024. https://matematika.utm.my/index.php/matematika/article/view/254.