Eya, P. E., M. E. Shaibu, and C. M. Amini. “Regional Training and Research Institute for Distance and Open Learning (RETRIDOL) – Commonwealth of Learning Partnership: A 16-Year Journey in Pursuit of Opening up Access to Education”. West African Journal of Open and Flexible Learning, vol. 7, no. 2, Jan. 2019, pp. 55-68, https://wajofel.org/index.php/wajofel/article/view/35.