A. Wahab, A. Siddiqui, U. Jahngir, A. Kirmani, A. Jamal, and R. Javaid, “Physico-chemical and Phyto-chemical Standardization of Gul-e- Banafshah (Flowers of Viola odorata Linn.)”, Bangladesh J Med Sci, vol. 25, no. 1, pp. 62–67, Jan. 2026.