Hutahean, Syawaluddin. “Persamaan Gelombang Nonlinier Pada Dasar Perairan Miring”. Jurnal Teknik Sipil 15, no. 1 (April 1, 2010): 35-44. Accessed October 6, 2025. https://journals.itb.ac.id/index.php/jts/article/view/2733.