Ogbonnaya UI, Mushipe M. The Efficacy of GeoGebra-Assisted Instruction on Students’ Drawing and Interpretations of Linear Functions. IJLTER [Internet]. 2020 Sep. 30 [cited 2026 Apr. 17];19(9):1-14. Available from: http://www.ijlter.myres.net/index.php/ijlter/article/view/239