1) Geosciences Portal of the Italian Geological Society (SGI):
https://www.socgeol.it/297/portale-dottorato.html
A collection of information on post-doc positions, research positions, seminars, schools, and workshops.
2) Italian association of PhD students (ADI):
https://dottorato.it/content/dottorato
This association represents and defends the rights of PhD students, post-docs, and young researchers.
3) Regulation PhD Programme DR 1123/2019:
https://www.uniroma1.it/sites/default/files/field_file_allegati/drregolamento_editing.pdf