Participation in international
UNDP-UNESCO Project "Earthquake Risk Reduction in the Balkan Region"
(RER/79/014), Working Group D;
Region and the Destructive Geological Processes in the same region;
Hydrogeological and Engineering Geological Conditions in the Regions of
Sofia, Skopje and Tirana" (1996-2000);
of Sciences and National Scientific Center in Italy on the Problems of the
Landslides and Slope Stability.