Uduak IG, Iren OB, Akpan-Idiok AU, John NM. Free iron and aluminum oxides in soils derived from coastal plain and beach sands in Akwa Ibom State, Nigeria. JAFE [Internet]. 2025 Mar. 13 [cited 2025 May 9];4(1):1-16. Available from: https://jafe.net.ng/index.php/home/article/view/37