Tyopine, A., Obalum, S., Igwe, C., & Okoye, C. (2022). Spatial distribution and relative enrichment of some upper-group trace elements in rhizosphere of highly anthropized and rapidly developing tropical environment. EQA - International Journal of Environmental Quality, 49(1), 19–33. https://doi.org/10.6092/issn.2281-4485/14554