Neeraj Saini, Manish Bhargav, Neeraj Verma, Kaushal Sharma, Satyam Garg. 2021. “Impact of Landfill Leachates on the Physico-Chemical Properties of Groundwater at Okhla Landfill Site”. International Journal of Advanced Science and Technology 30 (01), 169 -79. http://sersc.org/journals/index.php/IJAST/article/view/37451.