Winda Dianartasi and Aulia Sthephani 2021. THE INFLUENCE OF CONTEXTUAL TEACHING AND LEARNING (CTL) APPROACH ON UNDERSTANDING OF MATHEMATICAL CONCEPTS . Mathematics Research and Education Journal. 5, 1 (Feb. 2021), 28–35. DOI:https://doi.org/10.25299/mrej.2021.vol5(1).9212.