Lai, H., Gierl, M. J. . and Babenko, O. . (2015) “Application of Conditional Means for Diagnostic Scoring”, International Journal of Learning, Teaching and Educational Research, 12(3), pp. 61–79. Available at: http://www.ijlter.net/index.php/ijlter/article/view/1050 (Accessed: 19 April 2026).