Cost analysis of repairing damage to coastal protection structures in Pariaman City, West SumatraMonika Natalia, Rahmi Hidayati, Anik Rapis, Masrillayanti, Zulfira Mirani, Suhendrik Hanwar, Jumyetti and Sulleyman SourkanE3S Web Conf., 677 (2025) 06002DOI: https://doi.org/10.1051/e3sconf/202567706002