Kartini, Kartini, Babtista Merchyta Winarjo, Endang Wahyu Fitriani, and Ridho Islamie. 2017. “Formulation and PH-Physical Stability Evaluation of Gel and Cream of Plantago Major Leaves Extract”. MPI (Media Pharmaceutica Indonesiana) 1 (3), 174-80. https://doi.org/10.24123/mpi.v1i3.330.