G. M., M., I. S., E., R., S., & L. A., N. (2019). Heavy Metals in Soil and Vegetables Irrigated with Ex- Tin Mining Ponds Water in Barkin - Ladi Local Government Area Plateau State, Nigeria. Agriculture and Food Sciences Research, 6(2), 211–220. https://doi.org/10.20448/journal.512.2019.62.211.220