1Scriven M.. The Methodology of Evaluation. Oxford :Pergamon Press,1967.
2Bloom B. S.. Education to improve learning. New York:Me Graw-Hill,1981.
3Black, P., William D.. Raising standards through classroom assessment. Phi Delta Kappan, 1998;2.
4Sadler D. R.. Formative assessment and the design of instructional systems. Instructional Science, 1989; 18.
5Johnson B. G., Phillips F., Chase L. G.. An intelligent tutoring system for the accounting cycle: Enhancing textbook homework with artificial intelligence. Journal of Accounting Education,2009; 27.
