የተፈጥሮ ሳይንሶች
ማዕድን ጥናት እና ክሪስታሎግራፊ (ፒኤች.ዲ.)
Institute of Mineralogy and Crystallography "Acad. Ivan Kostov" Bulgarian Academy of Sciences
ቡልጋሪያኛዶክትሬት
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