Guler, Ali, and Ozlem Tokusoglu. “Quality Evaluation, Total Phenolic Content, Organic Acid Profiles and Antioxidant Activity of Soft Drinks With Koruk (Sour Grape) Concentrate”. Natural Science and Discovery 2, no. 2 (August 9, 2019): 41–47. Accessed March 28, 2024. https://natscidiscovery.com/index.php/nsd/article/view/39.