Dwi Cahyani, R. 2019. Efektivitas Contextual Teaching and Learning terhadap Kemampuan Komunikasi Matematis dan Self-Confidence. Jurnal Pengembangan Pembelajaran Matematika. 1, 1 (Feb. 2019), 32–41. DOI:https://doi.org/10.14421/jppm.2019.11.32-41.