Wisudyaningsih, B., Barikah, K.Z. and Kamelia, I.N. (2025) “Effect of Quercetin and Zinc Oxide Concentrations on pH and In Vitro Activity of Sunscreen Lipstick”, Borneo Journal of Pharmacy, 8(2), pp. 167–175. doi:10.33084/bjop.v8i2.6797.