Dagari, M. S., et al.. The Effects of Ethylene Diamine Tetraacetic Acid (EDTA) on Uptake of Zinc (zn2+) and Copper (cu2+) by Hydroponically Grown Mint Leaf (mentha Piperita L.). African Journals Online (AJOL), Apr. 2020, doi:10.4314/bajopas.v12i1.60s.