Kite Aerial Photography (KAP) for rip current identification in Parangtritis BeachBarandi Sapta Widartono, Muchsin Nur Wachid, Deha Agus Umarhadi, Anggini Nur Azizah and Restu Dwi CahyoE3S Web Conf., 76 (2019) 03005DOI: https://doi.org/10.1051/e3sconf/20197603005