F. I. Khairushalimi and S. Ahmad, “Intergration of Multi-Group Analysis in Quality of Life using Structural Equation Modeling”, J. Sci. Math. Lett., vol. 4, pp. 38–46, Dec. 2016, Accessed: Dec. 06, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/JSML/article/view/418