Salah, E. et al. 2015. Detection of lead (pb) and aluminum (Al) metal as contaminant in food prepared by using locally manufactured cooked pots (Hala) in Kosti City, Sudan. International Journal of Environment. 4, 2 (Jun. 2015), 19–26. DOI:https://doi.org/10.3126/ije.v4i2.12621.