Links:
[1] https://www.arquitectes.cat/ca/suport/nova-convocatoria-ajuts-rehabilitacio-elements-comuns-barcelona-2020?language=ca
[2] https://portaldogc.gencat.cat/utilsEADOP/PDF/8225/1812165.pdf
[3] http://www.bcn.cat/consorcihabitatge/ca/files/BasesR.pdf
[4] http://www.bcn.cat/consorcihabitatge/ca/home.html
[5] https://www.arquitectes.cat/ca/javascript%3Ahistory.back%281%29?language=ca