Abd Gani, Ashraf, and Roszilah Hamid. “Undergrounds Water Pipe Mapping Using Ground Penetrating Radar and Global Positioning System”. Journal of Advanced Research in Applied Mechanics 50, no. 1 (November 2, 2020): 1–11. Accessed May 4, 2025. https://www.akademiabaru.com/submit/index.php/aram/article/view/1823.