Sindhu Aditama, I Gede Agus, and Putu Ayu Ratih Listiani. “Optimization of Nanogel Formulation of Piper Nigrum And Erythrina Subumbrans Extract As Anti-Inflammatory Based On Lontar Usadha Tiwang: Effectiveness Test On Mus Musculus”. International Journal of Health and Pharmaceutical (IJHP), vol. 5, no. 4, Nov. 2025, pp. 616-25, doi:10.51601/ijhp.v5i4.454.