Ladeska, Vera, and Mahara Dingga. “Kajian Farmakognosi Dan Penetapan Kadar Flavonoid Total Herba Nanas Kerang (Tradescantia Spathacea Sw.)”. Jurnal Sains Farmasi & Klinis, vol. 6, no. 3, Dec. 2019, pp. 254-6, doi:10.25077/jsfk.6.3.254-264.2019.