Determination Antioxidant Activity of Coffea Arabica, Coffea Canephora, Coffea Liberica and Sunscreens Cream Formulation for Sun Protection Factor (SPF), Latief, Madyawati,,, Tarigan Indra Lasmana, and , Pharmacognosy Journal, April 2022, Volume 14, Issue 2, p.335-342, (2022)