OCY, Dwi Rismi; SARIFAH, Iva; RIYADI, Riyadi. EFA and CFA analysis: Development and validation of a test instrument for mathematical abstraction skills . JRAMathEdu (Journal of Research and Advances in Mathematics Education), [S. l.], v. 10, n. 2, p. 101–119, 2025. DOI: 10.23917/jramathedu.v10i2.7601. Disponível em: https://journals2.ums.ac.id/jramathedu/article/view/7601. Acesso em: 9 jul. 2026.