M. Mardiyanto, N. A. Fithri, and M. Tandry, “Characterization and Optimization of Capryol-90, Polysorbate-80, And Peg-400 Proportion in Mefenamic Acid Self Nanoemulsifying Drug Delivery System (SNEDDS) With Simplex-Lattice-Design”, sci. technol. indones., vol. 3, no. 4, pp. 164–172, Oct. 2018.