To obtain a doctoral degree, the program's credit regime requires 42 credits, distributed in central and elective courses. In addition, the student must select a primary and a secondary line of research. The student must take 6 (six) core subjects (totaling 18 credits) and 8 (eight) electives (totaling 24 credits). The 8 (eight) elective courses must belong to two different lines of research, with a minimum of 3 courses in each. Note that the same subject may belong to more than one line of research. The student must take the qualification exam until the end of the second year of the doctorate and conclude as a thesis until the fourth year.