Anti UV, the Sun Protection Factor (SPF), and Irritation Test of Coastal Vegetation Ricinus communisEaster C.H. Situmorang, Robert A. Bara, Veibe Warouw, Billy T. Wagey, Desy M.H. Mantiri, Calvyn F.A. Sondak, Christi D. Mambo and Jimmy PosangiBIO Web Conf., 92 (2024) 02017DOI: https://doi.org/10.1051/bioconf/20249202017