Miranda, R. de S., F. B. Suderio, E. C. Marques, and E. Gomes-Filho. “ACCUMULATION AND PARTITION OF Fe, Zn, Cu, Mn AND Na IN MACRO AND MICRONUTRIENT-DEFICIENT COWPEA PLANTS: Mineral Nutrition in Cowpea”. JOURNAL OF ADVANCES IN AGRICULTURE, vol. 7, no. 2, July 2017, pp. 1036-43, doi:10.24297/jaa.v7i2.6237.