[1] Balzer, William K., et al, (1992), Task information, cognitive information, or functional validity information: Which components of cognitive feedback affect performance?, Organizational behavior and human decision processes 53.1 (1992): 35-54.
[2] Boud, David, and Elizabeth Molloy, (2013), Rethinking models of feedback for learning: the challenge of design, Assessment & Evaluation in Higher Education 38.6 (2013): 698-712.
[3] Boud, David, and Nancy Falchikov, (2006), Aligning assessment with long-term learning, Assessment & Evaluation in Higher Education 31.4 (2006): 399-413.
[4] Butler, D. L., & Winne, P. H., (1995), Feedback and selfregulated learning: A theoretical synthesis. Review of educational research, 65(3), 245-281.
[5] Hattie, J., & Timperley, H., (2007), The power of feedback. Review of educational research, 77(1), 81-112
[6] Molloy, Elizabeth, and David Boud, (2013), Changing conceptions of feedback, Feedback in higher and professional education: Understanding it and doing it well (2013): 11-23
[7] Black, P., & Wiliam, D., (2009), Developing the theory of formative assessment, Educational Assessment, Evaluation and Accountability, 21(1), 5-31. https://doi. org/10.1007/s11092-008-9068-5
[8] Clark, I., (2014), Formative Assessment : Assessment Is for Self- regulated Learning, (June 2012). https://doi. org/10.1007/s10648-011-9191-6
[9] Nam, V.,(2018), (technology-based formative assessment in higher education - vietnamese version), (May).
[10] Yorke, M., (2003), Formative assessment in higher education: Moves towards theory and the enhancement of pedagogic practice, Higher education, 45(4), 477-501.