Pérez Sánchez, A., Acosta Pérez, N. , Valero Almanza, G.I. , Ranero González, E. and Pérez Sánchez, E.J. 2021. Thermal design of a finned tubes economizer. Nexo Scientific Journal. 34, 06 (Dec. 2021), 1521–1549. DOI:https://doi.org/10.5377/nexo.v34i06.13115.