Are, K. S., H. Guo, and Y. Li. “Land Use Types Influence Diffuse N and P Entering a River in an Agricultural Watershed: Evidence from Compound-Specific Stable Isotope”. Moor Journal of Agricultural Research, vol. 23, no. 1, Dec. 2023, https://iart.gov.ng/moorjournal/index.php/mjar/article/view/152.