Anakpua Blessing C, Nzeakor Emmanuel C, and Emefo Chinyere N. “Effect of Differentiated Instruction on Students’ Achievement in Geometry”. International Journal for Research in Applied Sciences and Biotechnology, vol. 8, no. 3, May 2021, pp. 6-12, https://ijrasb.com/index.php/ijrasb/article/view/122.