Adnan, J. (2018) “PENENTUAN KADAR FLAVONOID TOTAL EKSTRAK AIR BUNGA ROSELLA (Hibiscus sabdariffa L) SECARA SPEKTOFOTOMETRI UV-Vis”, Journal of Pharmaceutical Science and Herbal Technology, 3(1), hlm. 9-15. Tersedia pada: https://jurnal.stikesnh.ac.id/index.php/jpsht/article/view/272 (Diakses: 28Maret2024).