Safitri, M., and E. Susanti. “Total Polyphenol Content of Bromelia Leaves (Neoregelia Marmorata) Etanol Extract ”.
Journal of Tropical Food and Agroindustrial Technology
, Vol. 4, no. 01, Jan. 2023, pp. 13-19, doi:10.21070/jtfat.v4i01.1609.