Nii-Okai, David, Ebenezer Acheampong, Inuusah Mahama, Jonathan Kwame Mensah, Osman Imoro, Richard Marfo, Regine Kwaw, and Seth Odame-Mensah. 2021. “Sandwich Model of Educational Upgrading in Ghana: A Transitional Challenge in Disguise”. European Scientific Journal, ESJ 17 (8), 136. https://doi.org/10.19044/esj.2021.v17n8p136.