S. Acharya, D. K. Sharma, and H. C. Joshi, “Phytotoxicity of zinc, chromium (VI) and cadmium in purging nut (Jatropha curcas) seedlings grown in hydroponics”, Indian J Agri Sci, vol. 82, no. 8, pp. 667–71, Aug. 2012, doi: 10.56093/ijas.v82i8.23046.