Khaleel , H. A., Talib, A. H. and Sultan, M. A. (2024) “Environmental and Health Impact of Heavy Metal Accumulation in (Hair - Nails) of Scavenger Workers at Some Landfill Sites in Baghdad City-Iraq”, Journal of Biotechnology Research Center, 18(1), pp. 119–132. doi: 10.24126/jobrc.2024.18.1.777.