Abdul Karim, N.A. and Wahab, A.F. (2013) “Data Grid Kabur dalam Sistem Maklumat Geografi (GIS): Fuzzy Data Grid in Geographic Information System (GIS)”, Journal of Science and Mathematics Letters, 5(1), pp. 8–18. Available at: https://ejournal.upsi.edu.my/index.php/JSML/article/view/341 (Accessed: 3 April 2025).