Естествени науки
Минералогия и кристалография (докторска степен)
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
българскидокторска степен
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences