“Fractional Characterisation of Bioavailable Arsenic in Poultry-Litter Amended Soil by Geochemical Mobility Analysis and XRD Technique”. Journal of Pure and Applied Sciences (Science Forum), vol. 23, no. 1, Apr. 2025, pp. 215 – 227, https://atbuscienceforum.com.ng/index.php/jpas/article/view/85.