Anggoro B, Sinisuka NI, Pakpahan PM, B. DI. The Physical Treatment Soil Characteristics for Grounding Systems on Madiun and Surabaya Region. JTS [Internet]. 2025 Jun. 30 [cited 2026 Jan. 30];18(1). Available from: https://journal.its.ac.id/index.php/jts/article/view/5937