Complex sentence: In parallel, he continued with graduate studies by enrolling in November 1976 at the University of Belgrade's Faculty of Law, where he earned a masters degree in June 1978 with a masters thesis titled "The Marxist Concept of an Armed People".
Split into simpler sentences: In parallel, he continued with graduate studies by enrolling in November 1976 at the University of Belgrade's Faculty of Law. He earned a masters degree in June 1978 with a masters thesis titled "The Marxist Concept of an Armed People".