M. . A Karim, M. . Jamlos, S. . Ibrahim, M. . Jamlos, and Y. . Lee, “Geological Effect on GPR System Due to Soil Properties in Malaysia”, ijie, vol. 11, no. 3, Sep. 2019, Accessed: Jul. 23, 2024. [Online]. Available: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/4722