trining course in THe institute of energy and resources, delhi, India (17 February - 7 March, 2014)

St. petersburg state university conference in ST. PETERSBURG, Russia (7 - 8 February, 2014)

bntu - conference in minsk, Belorussia (22 - 24 October, 2013)

5iygec - conference in paris, France (30 August - 4 September, 2013)

7AYGEC - conference in Tokushima, Japan (10 -17 September, 2012)

Scientific training in new york, USA (1 July - 1 September, 2012)