F. J. Wibisono, B. Sumiarto, T. Untari, M. H. Effendi, 5, D. A. Permatasari, and A. M. Witaningrum. "MOLECULAR IDENTIFICATION OF CTX GENE OF EXTENDED SPECTRUM BETA-LACTAMASES (ESBL) PRODUCING ESCHERICHIA COLI ON LAYER CHICKEN IN BLITAR, INDONESIA." Journal of Animal and Plant Sciences, vol. 31, no. 4, 2020, pp. 954-959, doi:10.36899/JAPS.2021.4.0289.