“Comparison Activity Test of Antioxidant of Water Extract Coffee Robusta (Coffea Canephora) and Water Extract Coffee Arabica (Coffea Arabica) With the Method DPPH (1,1-Difenil-2-Pikrilhidrazil)”. 2024. International Journal of Life Science and Agriculture Research 3 (07): 633-37. https://doi.org/10.55677/ijlsar/V03I7Y2024-20.