M. A. Bin Amatan, C. G. K. Han, and V. Pang, “PLS-SEM Approach: Validity and Reliability of a Questionnaire on Context, Input, Process and Acceptance of STEM Implementation in Malaysia ”, J. Appl. Sci. Eng. Technol. Educ., vol. 7, no. 2, pp. 231–241, Aug. 2025.