Sabani, Mas’ud, and Isnarto Isnarto. “Mathematical Communication of 7th-Grade Students Viewed from the Attitude of Curiosity in Guided Discovery Learning Assisted by Educational Props”. Unnes Journal of Mathematics Education 9, no. 1 (March 30, 2020): 20-27. Accessed October 21, 2020. http://journal.unnes.ac.id/sju/index.php/ujme/article/view/36350.