ANIK EKO NOVITASARI; RIA RATNA AMELIA. Analysis Of Mefenamic Acid Residue In Urine Of Herbal Madicine For Aches and Pains Consumers Using Ultraviolet-Visible Spectrophotometry Method. International Journal of Health, Economics, and Social Sciences (IJHESS), [S. l.], v. 7, n. 3, p. 1630–1637, 2025. DOI: 10.56338/ijhess.v7i3.8922. Disponível em: https://jurnal.unismuhpalu.ac.id/index.php/IJHESS/article/view/8922. Acesso em: 2 oct. 2026.