Authoria, Nila, Lilik Wijayanti, and Ratih Puspita Febrinasari. “Differences of Quercetin Content in Fresh and Extracts Local Apples Using High Performance Liquid Chromatography Method”. Journal of Healthcare and Biomedical Science 1, no. 1 (February 20, 2023): 24–35. Accessed December 23, 2024. https://journals.researchsynergypress.com/index.php/jhbs/article/view/1369.