Rahayu, W. and Wahyudi, E. 2017. CLASSICAL TEST THEORY OF INNAPROPRIATE INDEX SCORE’S ACCURACY COMPARISON USING CONFUSION MATRIX ACCURACY PROPORTION IN EDUCATIONAL MEASUREMENT. IJER - INDONESIAN JOURNAL OF EDUCATIONAL REVIEW. 4, 1 (Jul. 2017), 84 - 92. DOI:https://doi.org/10.21009/IJER.04.01.08.