Febriani, Mirna, Irsan Ibrahim, Tuti Alawiyah, Herlia Nur Istindiah, Irfan Fadhila, and Cesilia. “The Difference in Hardness of Heat-Cured Acrylic Resin Before and After Immersion in Various Grape Fruit Extracts”. Formosa Journal of Science and Technology 5, no. 10 (November 2, 2026): 2685–2692. Accessed November 3, 2026. https://fjstformosa.my.id/index.php/fjst/article/view/4.