Nurcholis, W.; Ma’rifah, K.; I. Artika, M.; I. Aisyah, S.; P. Priosoeryanto, B. Optimization of Total Flavonoid Content from Cardamom Fruits Using a Simplex-Centroid Design, Along With the Evaluation of the Antioxidant Properties: doi.org 10.26538 Tjnpr V5i8.10. TJNPR 2021, 5 (8), 1382-1388.