Ningtyas, Jumiati Catur, et al. “Karakteristik Dan Aktivitas Antibakteri Yoghurt Sari Buah Sirsak (Annona Muricata L.) Terhadap Bakteri Flora Usus”. Proceeding of Mulawarman Pharmaceuticals Conferences, vol. 5, no. 1, May 2017, pp. 149-56, doi:10.25026/mpc.v5i1.231.