[1]
Yuliardi, R. and Casnan, C. 2017. Mathematics Learning Assisted by GeoGebra Software to Improve SMK Student’s Spatial Ability and Mathematical Communication. Unnes Journal of Mathematics Education. 6, 1 (Mar. 2017), 121 - 127. DOI:https://doi.org/10.15294/ujme.v6i1.13063.