Ngongolo, K., Omary, K., & Andrew, C. (2020). Drug used in controlling chickens diseases, the withdrawal periods, and the threats of drugs residues in food chain. A review. BERKALA PENELITIAN HAYATI JOURNAL OF BIOLOGICAL RESEARCHES, 26(1), 39-44. https://doi.org/10.23869/bphjbr.26.1.20207