APPEH, O. G., EGWUATU, T. F., NWANKWO, O. E., & IBE, A. C. (2022). Bacterial Contamination of Microphones used in places of worship in Umuahia, Abia State, Nigeria. Suan Sunandha Science and Technology Journal, 6(2), 16–23. retrieved from https://li02.tci-thaijo.org/index.php/ssstj/article/view/346