Ghori, Sadaf Aslam, Shamim Gul, Saniya Tahir, Meenah Sohail, Saira Batool, Muhammad Naeem Shahwani, Gul Bano, and Mujeeb-ur-Rehman Butt. “Wood-Derived Biochar Influences Nutrient Use Efficiency of Heavy Metals in Spinach (spinacia Oleracea) under Groundwater and Wastewater Irrigation”. Journal of Environmental Engineering and Landscape Management 27, no. 3 (August 29, 2019): 144-152. Accessed December 13, 2019. https://journals.vgtu.lt/index.php/JEELM/article/view/10792.