Aparells i sistemes! Publicat el 28 de febrer de 2020 per CRISTINA GAMEZ JIMENEZ https://www.youtube.com/watch?v=k1UZ4Lz1PHE https://www.youtube.com/watch?v=S3jJj68dBxw https://www.youtube.com/watch?v=NibKfejNSL4
