Rini, Z., Kartono, K., & Hidayah, I. (2019). Conceptual Understanding of Class V Students Judging from Curiosity on Learning Models Group Investigation with Hands on Activity Assisted by Teaching Aids. Unnes Journal of Mathematics Education Research, 8(2), 229-235. Retrieved from https://journal.unnes.ac.id/sju/ujmer/article/view/28641