Chanra Purnama, and Marudut Bernadtua Simanjuntak. “Perceptions Of Cadets On Visual Cues And Astronomical Learning In Maritime Safety And Navigation”. Jurnal Riset Rumpun Ilmu Bahasa, vol. 3, no. 1, Mar. 2024, pp. 98-110, doi:10.55606/jurribah.v3i1.2791.