Permana Putra, R., S. Iis Aisyah, and W. Nurcholis. “APPLICATION OF MIXTURE DESIGN TO ENHANCE FLAVONOID CONTENT AND IDENTIFY SECONDARY METABOLITES IN PORTULACA OLERACEA L”. Suranaree Journal of Science and Technology, vol. 33, no. 1, Feb. 2026, pp. 030374(1-8), doi:10.55766/sujst6704.