G. Saunders-Smits, L. Van den Broeck, E. P. Borobio, and T. Johannsen, “Transferable Competencies and Skills: The Framework Underpinning this Handbook”, in SEFI Handbook on Teaching Transferable Competencies and Skills in Engineering, Delft, NL: TU Delft OPEN Books, 2026, pp. 77–93. doi: 10.59490/mt.266.55.