Paembonan, Andri Yadi, and Fedy Darma Wijaya Waruwu. 2024. “Subsurface Utility Identification at ITERA Campus Using Multi-Frequency Ground Penetrating Radar”. Jurnal Teori Dan Aplikasi Fisika 12 (1):93-102. https://doi.org/10.23960/jtaf.v12i1.349.