Ritthirak, K. ., Saensuk, P. . and Samart, K. (2022) “Comparison of regression coefficient estimates of linear mixed model on missing longitudinal data”, KKU Science Journal, 48(2), pp. 183–191. available at: https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/250090 (accessed: 10 April 2025).