sentences:  He has given some courses of lectures in Belgium, Gent Royal Akademy as an Erasmus Professor.He has made the intensive studies in art museums of Brussels, Brugge, Gent, Ostend, Liege, Sint-Niklaas, Paris, Maastrich, Amsterdam, Luksemburg, Köln, Bonn, Rome, Florence, Venice, Ortona, Lauzanne, Geneva, Nyon, Algeria, Nicosia, Sofia, Warsaw, Gliwice, Belgrade, Minsk, Moscow, Yaroslavl, Vienna, Wells, Salzburg, Prague, New York, Chicago, Edmonton, Helsinki, Beijing, Mexico City, San Miguel de Allende, Dolores Hidalgo, Guanajuato, Madrid, Londra, Porto, Lisbon, Ekaterinburg, Nizhny Tagil.He has organized 1st and 2nd International Ex-libris Competition in 2003-2007, 1st International Printmaking Biennial in 2008 and 33rd FISAE International Ex-libris Congress and Ex-libris Competition in 2010 in Istanbul.