MAQFIRAH, Z.; NASUTION, M. A.; NASUTION, M. P.; NASUTION, H. M. The determination of total flavonoid content of ethanol extract of ethyl acetate and n-hexane fractions in cocoa (Theobroma cacao L.) leaves using uv-vis spectrophotometry method. Journal of Pharmaceutical and Sciences, [S. l.], v. 6, n. 4, p. 1534–1543, 2023. DOI: 10.36490/journal-jps.com.v6i4.43. Disponível em: https://journal-jps.com/new/index.php/jps/article/view/43. Acesso em: 4 dec. 2024.