Ahmed, Syed Ejaz, Arjun Kumar Gupta, and Ngoc Nguyen. “On Testing Equality of Two Correlation Coefficients”. Thailand Statistician 13, no. 2 (July 30, 2015): 185–190. accessed September 28, 2026. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/37771.