PENENTUAN KADAR FLAVONOID TOTAL EKSTRAK AIR BUNGA ROSELLA (Hibiscus sabdariffa L) SECARA SPEKTOFOTOMETRI UV-Vis. (2018). Journal of Pharmaceutical Science and Herbal Technology, 3(1), 9-15. https://ojs.institutnh.ac.id/index.php/jpsht/article/view/272