Agbonifo, O.C. , Akinwonmi, A.E. and Williamson, M.S. (2021) “Design of a Digital Game-Based Learning Environment for Solving Quadratic Equations Using Completing-the-Square-Method”, International Journal of Computer (IJC), 40(1), pp. 66–82. doi:10.53896/ijc.v40i1.1871.