PhD: the duration of the course is 3 years or older, but also for foreign students may take classes in 5-6 years old during the first 2 years. For classes and attend the seminar takes at least 1 years experience in doing research and thesis writing.
PhD: Duration of the course is 3 years or more. But for foreign students It may take up to 2 years to 5-6 years for various classes and seminars. Then it takes at least one year of research and writing a thesis.
Doctor:As the course duration is 3 years or more, but for foreign students may need to take the time to study 5-6 years. During the first year, for 2 attendance and seminar. Then take at least another 1 years.