Basri, I.Y. et al. 2026. Development and Validation of the Integrated Inquiry Blended Learning (IIBL) Model Supported by Smart Learning to Support 21st-Century Skills in Vocational Engineering Education: A Design-Based Research Study. International Journal of Educational Narratives. 4, 3 (Jun. 2026), 1078–1102. DOI:https://doi.org/10.70177/ijen.v4i3.3592.