A. Vélez, M. Baldajos, A. Toscano, L. Solorzano, and M. A. Guerra Moscoso, “Exploratory Study on Value Proposition Barriers for Civil Engineering Entrepreneurships - Pilot Study”, ACI Av. Cienc. Ing. (Quito), vol. 16, no. 1, p. 11, Apr. 2024, doi: 10.18272/aci.v16i1.2987.