Barak, M. (2010) “System Design As A Three-Phase Dual-loop (TPDL) Process: Types of knowledge-applied sources of feedback, and student development as independent learners”, Design and Technology Education: An International Journal, 15(2), pp. 32–43. Available at: https://openjournals.ljmu.ac.uk/DATE/article/view/2258 (Accessed: 3 July 2024).