Zhao, Z., N. A. Zainuddin, C. K. Swaran Singh, A. N. Rahmat, Risfendra, and M. I. Juhari. “Development of 21st Century 4C Skills E-Module for Zhumadian Vocational and Technical College Students”. Journal of Technology and Humanities, vol. 4, no. 1, May 2023, pp. 14-24, doi:10.53797/jthkkss.v4i1.2.2023.