Farkya, S. (2026) “REFINEMENT OF MULTIPLE CHOICE ITEMS USING DIFFICULTY INDEX AND DISCRIMINATION POWER FOR ASSESSING MIDDLE STAGE LEARNERS’ ATTAINMENT IN SCIENCE”, SCHOOL SCIENCE, 57(1), pp. p. 72–89. Available at: https://ejournals.ncert.gov.in/index.php/SS/article/view/5189 (Accessed: 21 September 2026).