Deocaris, Custer C, et al. “Phenolic Content and Antioxidant Capacity of Lagerstroemia Speciosa (Banaba) and Blumea Balsamifera (Sambong) Herbal Teas Sold on-Line in the Philippines: A Cost-Effectiveness Analysis”. Bangladesh Journal of Scientific and Industrial Research, vol. 58, no. 4, Dec. 2023, pp. 265-70, doi:10.3329/bjsir.v58i4.68402.