Gitari, W., Kinyua, A., Kamau, G. and Gatebe, C. 2011. Elemental Composition of Suspended Particulate Matter Collected at Two Different Heights above the Ground in A Sub-Urban Site in Kenya. Ethiopian Journal of Environmental Studies and Management. 3, 3 (Feb. 2011). DOI:https://doi.org/10.4314/ejesm.v3i3.63961.