1. Zinc and Cadmium content in fertilizers commonly used in Iran;Afyuni,2007
2. Mapping risk of cadmium and lead contamination to human health in soils of Central Iran;Amini;Sci. Total Environ.,2005
3. The Re-use of Contaminated Land: A Handbook of Risk Assessment;Cairney,1995
4. Commission Regulation (EC) No. 1881/2006 of 19 December 2006 Setting Maximum Levels for Certain Contaminants in Foodstuff;Commision E.C,2006
5. Introduction to artificial neural network;Dongare;Int. J. Eng. Innov. Technol.,2012