The classification of academic journals is decisive in terms of how many credits can be awarded for a doctoral student's paper published in a given journal (see sources of credits). Furthermore, the doctoral dissertation can only be submitted for public defense if the candidate has at least one publication published in a journal of A, B or C category.
The classification of academic journals (A, B, C and D categories) is available at the following links:
In the field of Law and State:
In the field of Political Sciences:
Category D means the lowest rate. A journal not included in the list are considered as one falling into category D.