“Penentuan Kadar Flavonoid Total Ekstrak Etanol Daun Biduri (Calotropis gigantea L)”, Jurnal KANAKA, vol. 1, no. 1, hlm. 1–4, Feb 2022, Diakses: Okt 17, 2026. Tersedia pada: https://jurnal.abulyatama.ac.id/index.php/Kanaka/article/view/2707