ANALYSIS OF NIGERIA GROSS DOMESTIC PRODUCT USING PRINCIPAL COMPONENT ANALYSIS. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 10, n. 6, p. 3546–3555, 2015. DOI: 10.24297/jam.v10i6.1706. Disponível em: https://rajpub.com/index.php/jam/article/view/1706. Acesso em: 23 jun. 2026.