Khomsin, D. G. Pratomo, A. Nugraha, and M. A. Zulkarnaen. “Bathymetric Analysis Using Multifrequency Multibeam Echosounder”. Geodesy and Cartography, vol. 50, no. 3, Sept. 2024, pp. 127–131, doi:10.3846/gac.2024.19640.