OSITA GABRIEL APPEH และผู้แต่งคนอื่นๆ. (2019) Bacterial Contamination of Microphones used in places of worship in Umuahia, Abia State, Nigeria. <i>Suan Sunandha Science and Technology Journal</i>, <i>6</i>(2), 15 to 22.OSITA GABRIEL APPEH และผู้แต่งคนอื่นๆ. "Bacterial Contamination of Microphones used in places of worship in Umuahia, Abia State, Nigeria". Suan Sunandha Science and Technology Journal 6 (2019):15 to 22.OSITA GABRIEL APPEH และผู้แต่งคนอื่นๆ. Bacterial Contamination of Microphones used in places of worship in Umuahia, Abia State, Nigeria. Faculty of Science and Technology, Suan Sunandha Rajabhat University:ม.ป.ท. 2019.