Rohmah, J., Rini, C. S. and Cholifah, S. (2018) “Kontaminasi Escherichia coli pada Makanan Jajanan di Kantin Universitas Muhammadiyah Sidoarjo: Contamination of Escherichia coli in Snacks at the Canteen of Muhammadiyah University of Sidoarjo”, Medicra (Journal of Medical Laboratory Science/Technology), 1(1), pp. 15–26. doi: 10.21070/medicra.v1i1.1521.