“Pengembangan Instrumen Kemampuan Representasi Semiotik Matematis: Confirmatory Factor Analyis (CFA)”. Prosiding Seminar Nasional Fakultas Ilmu Tarbiyah Dan Keguruan UIN Syarif Hidayatullah Jakarta, vol. 2, no. 1, June 2025, pp. 157-6, https://doi.org/10.64277/semnas.v2i1.168.