Izatullah, K., M. A. Budiyanto, and W. R. Sari. “ptimization of hip tability through esponse urface ethodology: nhancing afety and erformance via ross urve nalysis”. nternational ournal of arine ngineering nnovation and esearch, vol. 9, no. 2, July 2025, pp. 340-8, doi:10.12962/j25481479.v9i2.4994.