material flow.pnghttps://www.uniba.it/it/ricerca/dipartimenti/demdi/didattica/competenze-trasversali/a-a-2023-2024/material-flow.png/viewhttps://www.uniba.it/it/ricerca/dipartimenti/demdi/didattica/competenze-trasversali/a-a-2023-2024/material-flow.png/@@download/image/material flow.png