“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, pp. 488–491, Jun. 2021, Accessed: Mar. 15, 2025. [Online]. Available: https://jsk.ff.unmul.ac.id/index.php/JSK/article/view/264