M. . Akhtar and A. . Saeed, Trans., “Measurement of Essential Skills in Mathematics: A Comparative Analysis of SSC (Grade-X) and GCE (O-Level) Exam Papers”, JoEED, vol. 7, no. 1, pp. 103–118, Jun. 2020, Accessed: Apr. 04, 2026. [Online]. Available: https://journals.iobm.edu.pk/index.php/joeed/article/view/13