Abdul Malik, M. A.; Mustapha, M. F.; Mohamad Sobri, N.; Abd Razak, N. F.; Mohd Zaidi, M. N.; Shukri, A. A.; Zalimie Sham, M. A. L. Optimal Reliability and Validity of Measurement Model in Confirmatory Factor Analysis: Different Likert Point Scale Experiment. JCIT 2021, 11, 105-112.