Ningsih AD, Khikmah N. UJI ANTIBAKTERI MASKER KEFIR SUSU KAMBING PADA Staphylococcus epidermidis SECARA IN VITRO. JPS [Internet]. 2020 May 8 [cited 2025 May 5];25(1):53-61. Available from: https://journal.uny.ac.id/index.php/saintek/article/view/29988