Ningsih, A. D., & Khikmah, N. (2020). UJI ANTIBAKTERI MASKER KEFIR SUSU KAMBING PADA Staphylococcus epidermidis SECARA IN VITRO. Jurnal Penelitian Saintek, 25(1), 53–61. https://doi.org/10.21831/jps.v25i1.29988