@article{ijtech-4468, title={Achieving Drag Reduction with Hullform Improvement in Different Optimizing Methods}, author={Purwo Joko Suranto,Wiwin Sulistyawati}, volume={11}, number={7}, year={2020}, month={Dec}, pages={1370-1379}, DOI={https://doi.org/10.14716/ijtech.v11i7.4468}, journal={International Journal of Technology}, ISSN={2087-2100}}