Korj, B.M.A., Aslam, E.M., Al Balushi, I.B.I.B.M. and Aburub, L.M.H. 2020. Affordable Analog OxygenMonitor forMaintaining Safe Oxygen Concentration in IndustrialEnvironments. Journal of Student Research. (Jul. 2020). DOI:https://doi.org/10.47611/jsr.vi.988.