“SOIL SPATIAL VARIABILITY OF SOME SOIL PROPERTIES USING FACTOR ANALYSIS IN FEDERAL COLLEGE OF FORESTRY MECHANIZATION, KADUNA RESEARCH FARM”. FUDMA JOURNAL OF SCIENCES 4, no. 2 (October 7, 2020): 695–698. Accessed September 11, 2025. https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/289.