1. Sullivan, R.: The competency-based approach to training, JHPIEGO Strategy Paper, September, 1995
2. Foyster, J.: Getting to Grips with Competency-Based Training and Assessment. TAFE National Centre for Research and Development. Leabrook, Australia (1990). ERIC: ED 317849
3. Delker, P.: Basic skills education in business and industry: factors for success or failure, contractor report. Office of Technology Assessment, United States Congress (1990)
4. Norton, R.: Competency-Based Education and Training: A Humanistic and Realistic Approach to Technical and Vocational Instruction, Regional Workshop on Technical/Vocational Teacher Training in Chiba City, Japan. ERIC: ED 279910, 1987
5. Anderson, L.: Competency-based education: recent policy trends. J. Competency-Based Educ. 3(1), e01057 (2018)