Hello @Gaborio, first of all, welcome to the Baserow community
That鈥檚 indeed not possible to link to multiple entries in the form view, but we have an open issue to fix this: In Form view, enable linking to multiple table entries (#810) 路 Issues 路 Baserow / baserow 路 GitLab.
Here is a thread that addresses this request: Can't select multiple linked rows in form view.