Gbeleyi, Olasunkanmi, Peter Okebukola, Fred Awaah, Adam Umar, Rasheed Sanni, Akanbi Moses, and Akeem Adebiyi. “Espial of Concept Difficulties in the New Africans’ Secondary School Mathematics Curriculum: CTCA Recommended”. International Journal of Education and Humanities 3, no. 2 (June 11, 2023): 152–166. Accessed November 15, 2025. https://i-jeh.com/index.php/ijeh/article/view/106.