Khalifa, M. et al. 2019. Evaluation of Fe And Mn Movement in Soil And Potential of Castor Bean (Ricinus Communisl.) For Fe And Mn Phytoremediation. Journal of Pure & Applied Sciences . 18, 3 (May 2019), 28–31. DOI:https://doi.org/10.51984/jopas.v18i3.233.