Oyeleke, Olusola Joel, and Oladele Adeyi Ojediran. “Exploring the Relationship Between Consumer Price Index (CPI) and Producer Price Index (PPI) in Nigeria”. Advances in Social Sciences Research Journal 5, no. 11 (November 13, 2018). Accessed May 6, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/5450.