Azffri, Siti, Stefan Gödeke, Aziz Ahmad, Mohammad Ibrahim, Amalina Abdul Khalid, and James Jasmir Murphy. “Groundwater Exploration through 2D Electrical Resistivity Tomography in Labi Agricultural Site, Belait District, Brunei Darussalam”. Thai Geoscience Journal 3, no. 3 (January 15, 2022): 1–9. accessed December 9, 2025. https://ph03.tci-thaijo.org/index.php/TGJ/article/view/1791.