Nugroho, A. A., F. Christina, G. Buschle-Diller, M. G. M. Purwanto, C. M. Erawati, A. D. R. Dewi, Y. P. Mukti, and J. Sukweenadhi. “Characterization of Water Kefir from Broccoli Stem Extract With Addition of Palm Sugar”. MPI (Media Pharmaceutica Indonesiana), Vol. 4, no. 2, Dec. 2022, pp. 114-2, doi:10.24123/mpi.v4i2.5259.