Standardization of Eleutherine bulbosa Urb. Bulbs and Total Flavonoid Content from Three Locations in Kalimantan, Indonesia, Muthia, Rahmi, Wati Helmina, Bin Jamaludin Wahyudin,, Setiawan Finna, Fikri Muhammad, and Wahhab Abdul , Pharmacognosy Journal, January 2021, Volume 13, Issue 1, p.73-80, (2021)