“Antioxidant Activity Test of Pine Leaf Herbal Tea (Pinus Merkusii) With Addition of Stevia Leaves (Stevia Rebaudiana) As a Natural Sweetener Using DPPH Method”. Journal of Tropical Pharmacy and Chemistry , vol. 10, no. 1, Mar. 2026, pp. 50-56, https://doi.org/10.30872/jtpc.v10i1.356.