MATSORO MITONDO Amédée. “ANALYSIS OF THE DIFFICULTY INDEX OF SIXTY PSYCHOLOGY ITEMS IN THE FINAL EXAMS OF SECONDARY SCHOOL STUDIES IN THE DRC: CASE OF THE GOMA FINALISTS.”. IJRDO- Journal of Educational Research 11, no. 1 (March 7, 2025): 1-4. Accessed November 1, 2025. http://cpcontacts.ijrdo.org/index.php/er/article/view/6244.