A.O.Ukpene, O.C. Molua, C.P. Ukpene, J.U. Emagbetere, and J.C. Igbogbor. 2023. “Health Impact of Indoor Air Quality: Biological, Physical and Economic Considerations”. Journal Healthcare Treatment Development 4 (01):27-38. https://doi.org/10.55529/jhtd.41.27.38.