Pal, Sumita, Harikesh Bahadur Singh, and Amitava Rakshit. 2013. “Potential of Different Crop Species for Nickel and Cadmium Phytoremediation in Peri-Urban Areas of Varanasi District (India) With More Than Twenty Years of Wastewater Irrigation History”. Italian Journal of Agronomy 8 (1):e8. https://doi.org/10.4081/ija.2013.e8.