Afthanorhan, Wan Mohamad Asyraf Bin Wan, Sabri Ahmad, and Ibrahim Mamat. “Pooled Confirmatory Factor Analysis (PCFA) Using Structural Equation Modeling on Volunteerism Program: A Step by Step Approach”. International Journal of Asian Social Science 4, no. 5 (May 15, 2014): 642–653. Accessed July 3, 2024. https://archive.aessweb.com/index.php/5007/article/view/2663.