TY - JOUR T1 - Achieving Drag Reduction with Hullform Improvement in Different Optimizing Methods AU - Purwo Joko Suranto,Wiwin Sulistyawati JO - International Journal of Technology VL - 11 IS - 7 SP - 291 EP - 319 PY - 2020 DA - 2020/12/17 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v11i7.4468 UR - https://ijtech.eng.ui.ac.id/article/view/4468