“Choosing a Forecast Model for Prediction of Students’ Enrolment in Multiple Programmes of the National Open University of Nigeria: Towards Course Materials Production Planning” (2023) West African Journal of Open and Flexible Learning, 11(2), pp. 1–28. Available at: https://wajofel.org/index.php/wajofel/article/view/137 (Accessed: 18 November 2025).