Saharman, Y. R., and D. C. Lestari. “Phenotype Characterization of Beta-Lactamase Producing Enterobacteriaceae in the Intensive Care Unit (ICU) of Cipto Mangunkusumo Hospital in 2011”. Acta Medica Indonesiana, vol. 45, no. 1, May 2016, https://actamedindones.org/index.php/ijim/article/view/115.