Elan, J. W. S. O., and I. P. S. Rejeki. “Antibiotic Susceptibility Patterns of Gram-Negative Bacteria in the Pediatric Hematology-Oncology Ward of RSUD Dr. Soetomo, Surabaya”. International Journal of Health Sciences, vol. 6, no. S2, Mar. 2022, pp. 380-6, doi:10.53730/ijhs.v6nS2.4990.