Gravia Pimenta, R., de Oliveira Neves, L. and Gomes , V. 2022. Operational energy and embodied impacts of retrofitting the window frames of mixed-mode office buildings. Acta Polytechnica CTU Proceedings. 38, (Dec. 2022), 361–367. DOI:https://doi.org/10.14311/APP.2022.38.0361.