Muhammad RF, Alkouri O. Geospatial information systems for Karst: Morpho-Geological Study in Kinta Valley, Perak, Malaysia. Malaysian J. Sci. [Internet]. 2009 Dec. 24 [cited 2024 Nov. 16];28(3):329-38. Available from: http://ojie.um.edu.my/index.php/MJS/article/view/7641