Rohmah, J., Rini, C. S., & 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), 15–26. https://doi.org/10.21070/medicra.v1i1.1521