Tourism Suitability, and Carrying Capacity : Prospect Ecotourism (Case Study in Marina Beach Semarang)Alin Fithor, S. Budi Prayitno, Frida Purwanti and Agus IndarjoE3S Web Conf., 202 (2020) 03010DOI: https://doi.org/10.1051/e3sconf/202020203010