Abu Kassim, N. L., Badrasawi, K. J. I., Nordin, M. S., Zubairi, A., & Mohd Ashraf, R. (2018). Factorial Validity and Invariance of the MUET Writing Rating Scale: Empirical and Theoretical Correspondence. Malaysian Journal of Learning and Instruction, 15(1), 265–285. https://doi.org/10.32890/mjli2018.15.1.10