“Resistivity Characterisation of Shallow Stratigraphy in Delineating Shell Midden at Guar Kepah, Penang, Malaysia”. Journal of Physical Science 30, no. 1 (April 25, 2019): 99–110. Accessed October 27, 2026. https://ejournal.usm.my/jps/article/view/jps_vol30-no-1-2019_8.