Cahyadi, F. D., Sukoco, N. B., Pranowo, W. S., & Kamija, K. (2022). Pembuatan Purwarupa Peta Contour Best Operation Depth Kapal Selam di Perairan Sangihe Talaud : Prototype of Contour Map of Best Operation Depth Submarine in Sangihe Talaud . Waters. Jurnal Chart Datum, 4(2), 87–94. https://doi.org/10.37875/chartdatum.v4i2.130