Hasan, Alizatul Khairani, Siti Sunarintyas, and Dyah Irnawati. 2009. “Color Stability of Visible Light Cured Composite Resin After Soft Drink Immersion”. Dental Journal 42 (3):123-25. https://doi.org/10.20473/j.djmkg.v42.i3.p123-125.