Subhan, S. et al. 2026. Assessing Scientific Thinking in Early Childhood: Cross-Sectional Evidence for a Six-Dimensional Hierarchical Structure in Indonesian Preschoolers. Al-Athfal: Jurnal Pendidikan Anak. 12, 1 (Mar. 2026), 1–18. DOI:https://doi.org/10.14421/al-athfal.2026.121-01.