Arum, Kingsley C., Samuel Chidera Ndukwe, Henrietta Ebele Oranye, and Omeiza Bashiru Sule. “COMPARATIVE ANALYSIS OF RIDGE AND PRINCIPAL COMPONENT REGRESSION IN ADDRESSING MULTICOLLINEARITY”. FUDMA JOURNAL OF SCIENCES 9, no. 1 (January 31, 2025): 240–245. Accessed October 29, 2025. http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/2981.