[1]
I. A. Usanga, U. E. Udofia, y S. R. Osu, «Examination of Radiocarbon Levels, Organic Matter, Phosphorus, and Potassium in Acidic Soils under Maize Cultivation in Akwa Ibom State, Nigeria», JOSEH, vol. 8, n.º 1, feb. 2025.