Optimization of Coffee Drink Formula Combination of Ginger Extract (Zingiber officinale) and Temu Giring (Curcuma heyneana) as An Antioxidant. jisk [Internet]. 2022 Aug. 31 [cited 2025 Jul. 9];3(2):45-9. Available from: https://ejournal.sumateraconnect.or.id/index.php/jisk/article/view/32