Mohamad Anuar, Mohamad Adham, et al. “The Practice of Heutagogy, Peeragogy and Cybergogy Approach Among Vocational College Instructors”. Journal of Technical Education and Training, vol. 16, no. 2, Sept. 2024, pp. 128-36, https://penerbit.uthm.edu.my/ojs/index.php/JTET/article/view/18700.