Cloud Point Extraction and Flame Atomic Absorption Spectrometric Determination of Lead, Cadmium and Palladium in Some Food and Biological Samples (M. Ghaedi, K. Niknam, & M. Soylak , Trans.). (2011). Pakistan Journal of Analytical & Environmental Chemistry, 12(1 & 2), 42-48. https://doi.org/10.21743/