1.  CIMPA UNESCO SCHOOL ON Riemannian, Pseudo-Riemannian Geometry and Dynamics and  Applications, El-Oued, Algeria, Feb.26^th  – Mar. 10^th , 2005.

 2. Attending in the course: Mathematics Education Improvement for Middle East, implementedin OSAKA, JAPAN, Sep. 29^th  -- Nov. 10^th , 2008.

3. Attending in Advanced School and Workshop on Discrete Groups in Complex Geometrie, ICTP, ITALY, 28 June - 16 July 2010.