Mardika, M.G.I. et al. 2025. Study of Jetty Planning as Coastal Protection Structure to Address Estuary Sedimentation: Case Study of Lubuk Tukko Beach, North Sumatra Province. BANDAR: JOURNAL OF CIVIL ENGINEERING. 7, 2 (Nov. 2025), 102–110. DOI:https://doi.org/10.31605/bjce.v7i2.4703.