Tuldjanah, Muthmainah, Niluh Puspita Dewi, and Dian Rahmawati. 2021. “Antioxidant Activity Test of Effervescent Granules Morinda Citrifolia L Leaf Extract With DPPH Free Radical Absorption Method”. Journal of Tropical Pharmacy and Chemistry 5 (4):365-68. https://doi.org/10.25026/jtpc.v5i4.285.