Cahyadi, F. D., Sukoco, N. B., Pranowo, W. S. and 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), pp. 87–94. doi: 10.37875/chartdatum.v4i2.130.