Marin-Garcia, J. A., Garcia-Sabater, J. J., Garcia-Sabater, J. P. and Maheut, J. (2020) “Protocol: Triple Diamond method for problem solving and design thinking. Rubric validation”, WPOM-Working Papers on Operations Management, 11(2), pp. 49–68. doi: 10.4995/wpom.v11i2.14776.