Acharya, S. et al. 2012. Phytotoxicity of zinc, chromium (VI) and cadmium in purging nut (Jatropha curcas) seedlings grown in hydroponics. The Indian Journal of Agricultural Sciences. 82, 8 (Aug. 2012), 667–71. DOI:https://doi.org/10.56093/ijas.v82i8.23046.