Puspita, Faleria, and Agung Prasetya. “Phytochemical and Antioxidant Activity Tests of Ethanol Extracts of the Roots, Stems and Leaves of Song of India (Dracaena Reflexa) Plant Using the DPPH Method”. Indonesian Journal of Chemical Science 12, no. 1 (May 30, 2023): 33-46. Accessed December 20, 2024. https://journal.unnes.ac.id/sju/ijcs/article/view/64874.