Farid, M. ., Ali, S. ., Rizwan, M. ., Ali, Q. ., Saeed, R. ., Nasir, T. ., … Ahmad, T. . (2018). Phyto-management of chromium contaminated soils through sunflower under exogenously applied 5-aminolevulinic acid. Ecotoxicology and Environmental Safety, 151, 255-265. https://doi.org/10.1016/j.ecoenv.2018.01.017 (Original work published 2018)