Aryanti A, Febrina L, Annisa N, Rusli R. Aktivitas Antioksidan Produk Kopi dan Teh di Kota Samarinda: Antioxidant Activity of Coffee and Tea Products in Samarinda City. J. Sains. Kes. 2021;3(3):488-491. Accessed November 24, 2025. http://jsk.ff.unmul.ac.id/index.php/JSK/article/view/264