Prasadja, Heru, and Yerik Singgalen. 2022. “Analysis and Design of Mangrove Ecotourism Management System (SIMANGROVE) of Dodola Island, Morotai Island Regency, Indonesia”. Journal of Information Systems and Informatics 4 (2), 191-204. https://doi.org/10.51519/journalisi.v4i2.243.