Aguilar-Zambrano, J. A., M. V. Valencia, M. F. Martínez, C. A. Quiceno, and C. M. Sandoval. “Use of the Theory of Inventive Problem Solving (TRIZ) in the Analysis of Assistive Products for Personal Mobility in Order to Detect Innovation Opportunities”. Ingeniería Y Competitividad, vol. 14, no. 1, Jan. 2012, pp. 137-51, doi:10.25100/iyc.v14i1.2644.