Aini, Selvia Indi Nur. “Analisis Pemahaman Konsep Peserta Didik Reflektif Terhadap Soal Cerita Matematika Aritmatika Sosial Berdasarkan Teori APOS”. Journal of the Indonesian Mathematics Education Society 2, no. 1 (February 7, 2020): 10–19. Accessed January 31, 2026. https://journal.unesa.ac.id/index.php/jimes/article/view/8333.