Putra, G. A. ., and A. . Winarno. “Study of the Effect of Variations in Wave-Piercing Shapes on Barriers on Catamarans to Improve Fuel Efficiency”. Zona Laut Jurnal Inovasi Sains Dan Teknologi Kelautan, vol. 3, no. 1, Mar. 2022, pp. 24-31, doi:10.62012/zl.v3i1.19571.