Aplikasi Metode Seismik Refraksi Untuk Identifikasi Pergerakan Tanah Di Perumahan Balaroa Palu: (Application of Seismic Refraction Method for Identification of Land Movement in Housing Balaroa Palu). Gravitasi 2020, 19 (2), 44-50. https://doi.org/10.22487/gravitasi.v19i2.15409.