Dayag, Antonio Jaramillo, and Fernando Trinidad. “Assessment of the Correlation Between Price-Earnings Ratio and Stock Market Returns of Universal Banks in the Philippines”. International Journal of Research in Business and Social Science (2147- 4478) 8, no. 5 (August 18, 2019): 172–181. Accessed February 18, 2025. https://www.ssbfnet.com/ojs/index.php/ijrbs/article/view/481.