Mohan, U. , Singh, R. , Singh, P. , N., S., Prusty, P.K. , Tyagi, V. and K., S. 2014. Determination of Zn, Cd, Pb and Cu metals in ground water of District Hapur, Uttar Pradesh (India) by anodic stripping voltammetric technique. Environment Conservation Journal. 15, 1&2 (Jun. 2014), 195–199. DOI:https://doi.org/10.36953/ECJ.2014.151226.