Chukwuocha, U. M. ., Ogboeze, J. C. ., Bosede, A. O. ., Dozie, U. W., Ekeleme, U. G. ., Akam, V. N. ., & Chukwu, R. O. . (2022). Use of facemask during the COVID-19 pandemic in Southeastern Nigeria: an observational study: 10.55131/jphd/2022/200209. Journal of Public Health and Development, 20(2), 110–125. https://doi.org/10.55131/jphd/2022/200209