Purnomo, Jerry Dwi Trijoyo, Chih-Rung Chen, and Guan-Hua Huang. “A Modified Model-Selection Criteria in a Generalised Estimating Equation for Latent Class Regression Models”. MATEMATIKA 35, no. 2 (July 31, 2019): 201–211. Accessed April 25, 2024. https://matematika.utm.my/index.php/matematika/article/view/1175.