Winarno, Arif, and Muhammad Alif Ridha Hermawan. “Technical Study of Type B - Series and Kaplan Propellers With Rake Angle Variations on the Offshore Supply Vessel 80 (OSV 80)”. Zona Laut Jurnal Inovasi Sains Dan Teknologi Kelautan, vol. 4, no. 3, Nov. 2023, pp. 309-18, doi:10.62012/zl.v4i3.27637.