Pongsapukdee, Veeranun, and Thanittha Kumsri. “Goodness-of-fit Tests for Logit Models Based on Probability Levels of Response Categories”. Thailand Statistician 4 (May 28, 2015): 43–61. accessed September 28, 2026. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/34359.