Otalora-Luna, J.-E. et al. 2023. Methodological Proposal to Determine Technology Maturity Levels TRL 4 to TRL 7 for Mobile Applications. Revista Facultad de Ingeniería. 32, 64 (May 2023), e15681. DOI:https://doi.org/10.19053/01211129.v32.n64.2023.15681.