Paukiran, Degol, et al. “Efficacy of Purple Chrysanthemum Ethanol Extract in Inhibiting Staphylococcus Aureus and Escherichia Coli Growth”. Grimsa Journal of Science Engineering and Technology, vol. 3, no. 1, Feb. 2025, pp. 1-9, doi:10.61975/gjset.v3i1.63.