Accumulation of Potential Photo-Protective Compound Groups in Mangrove (Sonneratia caseolaris (L.) Engler.) Leaves, Ilmiah, Haviah Hafidhotul, Nuringtyas Tri Rini, and Nugroho Laurentius Hartanto , Pharmacognosy Journal, March 2018, Volume 10, Issue 3, p.576-580, (2018)