Gómez Gómez, J., Hernández Riaño, H. and Hernández Riaño, V. 2021. Scaffolding system for solving problems in engineering education. Revista Ingenierías Universidad de Medellín. 20, 39 (Jun. 2021), 35-53. DOI:https://doi.org/10.22395/rium.v20n39a2.