“PENGARUH DUCT HEKSAGONAL TERHADAP PERFORMA HIDRODINAMIKA PROPELER RUMPON PADA VARIASI KECEPATAN ARUS”. Jurnal Maritim Malahayati, vol. 7, no. 2, Juli, July 2026, pp. 523-7, https://doi.org/10.70799/jumma.v7i2, Juli.194.