Muizuddin, Muhammad, and Elok Zubaidah. 2015. “STUDI AKTIVITAS ANTIBAKTERI KEFIR TEH DAUN SIRSAK (Annona Muricata linn.) DARI BERBAGAI MERK TEH DAUN SIRSAK DIPASARAN [IN PRESS SEPTEMBER 2015]”. Jurnal Pangan Dan Agroindustri 3 (4). https://jpa.ub.ac.id/index.php/jpa/article/view/292.