Haslina, Haslina, and Sri Budi Wahjuningsih. 2015. “Application of Flower Extract Wuluh Star Fruit(Averrhoa Billimbi L.) On Effervescent Powder”. International Journal on Advanced Science, Engineering and Information Technology 5 (5):370-73. https://doi.org/10.18517/ijaseit.5.5.585.