Effect of breakwater layout on waves at Puger beach Jember with Delft3D modeling Retno Utami Agung Wiyono, Ardiasho Fadhilla, A. Royyan Maulana Ma, Gusfan Halik, Wiwik Yunarni Widiarti and Entin Hidayah E3S Web Conf., 468 (2023) 01002 Published online: 21 December 2023 DOI: 10.1051/e3sconf/202346801002