Radiusman, R. and Simanjuntak, M. 2020. PENGARUH MODEL PEMBELAJARAN TTW TERHADAP KEMAMPUAN KOMUNIKASI TERTULIS DAN DISPOSISI MATEMATIS SISWA [THE EFFECT OF THE TTW TYPE COOPERATIVE LEARNING MODEL ON WRITTEN COMMUNICATION SKILLS AND MATHEMATICAL DISPOSITION]. JOHME: Journal of Holistic Mathematics Education. 3, 2 (May 2020), 164–179. DOI:https://doi.org/10.19166/johme.v3i2.2392.