Najiha Nadia, L., S. Budi Waluyo, and I. Isnarto. “Analisis Kemampuan Representasi Matematis Ditinjau Dari Self Efficacy Peserta Didik Melalui Inductive Discovery Learning”. Unnes Journal of Mathematics Education Research, Vol. 6, no. 2, Jan. 2018, pp. 242-50, http://journal.unnes.ac.id/sju/ujmer/article/view/20603.