EMILTA FRISKA JUNIAR; TAHIYATUL ASFIHANI. Disturbance Estimation for Unmanned Surface Vehicles using a Nonlinear Disturbance Observer. (IJCSAM) International Journal of Computing Science and Applied Mathematics, [S. l.], v. 12, n. 1, p. 1–6, 2026. DOI: 10.12962/j24775401.ijcsam.v12i1.3489. Disponível em: https://journal.its.ac.id/index.php/ijcsam/article/view/3489. Acesso em: 25 jul. 2026.