Abdul Malek Yaakob, Ayesha Hamzah, Syibrah Naim, Siti Fatimah Abdul Rahman. “Mental Health and Well Being Indicators Based on Interval Type-2 Fuzzy System”. International Journal of Advanced Science and Technology, Vol. 29, no. 05, June 2020, pp. 11000-12, http://sersc.org/journals/index.php/IJAST/article/view/25179.