Rojas-Gualdrón, Diego Fernando. “Inter-Regional Metric Disadvantages When Comparing countries’ Happiness on a Global Scale. A Rasch Based Consequential Validity Analysis”. International Journal of Psychological Research 10, no. 2 (August 3, 2017): 25–33. Accessed March 28, 2024. https://revistas.usb.edu.co/index.php/IJPR/article/view/2995.