Compared Of Coastline Extraction On Sentinel-2A Imagery and Aerial Photos : Case Study in Panggang Island, Kepulauan Seribu, IndonesiaFelisa Apriyani, Suseno Wangsit Wijaya and Esty KurniawatiBIO Web Conf., 70 (2023) 02005DOI: https://doi.org/10.1051/bioconf/20237002005