• https://ricerca.uniba.it/handle/11586/443826
• https://ricerca.uniba.it/handle/11586/405775
• https://ricerca.uniba.it/handle/11586/446283
• https://ricerca.uniba.it/handle/11586/428938
• https://ricerca.uniba.it/handle/11586/412185
• https://ricerca.uniba.it/handle/11586/447209
• https://ricerca.uniba.it/handle/11586/431363