E. H. Wardoyo, S. A. E. John, and M. Ali, “The Association between Daily Contact, Working Period and Biosecurity to Colonization of Extended-Spectrum Beta Lactamase-Producing Escherichia coli of Poultry Workers”, jppipa, pendidikan ipa, fisika, biologi, kimia, vol. 10, no. 12, pp. 10047–10052, Dec. 2024.