ANALISIS CONFIRMATORY FACTOR ANALYSIS (CFA) DAN EXPLORATORY FACTOR ANALYSIS (EFA) PADA PENGEMBANGAN INSTRUMEN MOTIVASI BELAJAR SEKOLAH DASAR. (2022). Abacus: Academic Journal of Mathematics Learning and Education, 2(2), 1-8. https://doi.org/10.59605/abacus.v2i2.220