[1]
N. N. Karanja, M. Njenga, G. Mutua, C. Lagerkvist, E. Kutto, and J. J. Okello, “Concentrations of Heavy Metals and Pesticide Residues in Leafy Vegetables and Implications for Peri-urban Farming in Nairobi, Kenya”, J. Agric. Food Syst. Community Dev., vol. 3, no. 1, pp. 255–267, Oct. 2012.