A. Aryanti, L. Febrina, N. Annisa, dan R. Rusli, “Aktivitas Antioksidan Produk Kopi dan Teh di Kota Samarinda: Antioxidant Activity of Coffee and Tea Products in Samarinda City”, J. Sains. Kes, vol. 3, no. 3, hlm. 488–491, Jun 2021, Diakses: Sep 19, 2026. Tersedia pada: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/264