I. Dalju, A. Dessie, L. Bogale, and T. H. Mekonnen, “Occupational risk factors associated with respiratory symptoms among tannery workers in Mojo town, Southeast Ethiopia, 2018: a comparative cross-sectional study”, Multidiscip Respir Med, vol. 14, no. 1, Aug. 2019, doi: 10.4081/mrm.2019.25.