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Research Instrument: Instrument Development and Instrument Calibration. Al Hikmah Indonesian Journal of Early Childhood Islamic Education, [S. l.], v. 9, n. 1, p. 1–12, 2025. DOI: 10.35896/ijecie.v9i1.914. Disponível em: https://www.ojs.mlati.id.or.id/index.php/ijecie/article/view/914. Acesso em: 7 sep. 2026.