1.
W. Ibrahim WMM, Nawayi @ @Nawawi N. Aplikasi Sistem Maklumat Geografi (GIS) dalamKegagalan Cerun: Kajian Kes di PayaTerubong,Pulau Pinang, Malaysia: Application of Geographic Information System (GIS) in SlopeFailures: A Case Study in Paya Terubong, Pulau Pinang, Malaysia.
PERS. 2012;4(2):56-66. Accessed May 3, 2025.
https://ejournal.upsi.edu.my/index.php/PERS/article/view/1616