1- Wiebel instability in microwave gas discharges, Qeshme international conference on plasma physics (2002).
2- Wiebel instability in microwave gas discharge with linear strong pulsed field, international conference on microwave gas discharges, Zinowites-Germany (July 2003).
3- Wiebel instability in microwave gas discharge with circularly strong pulsed field, IGPIC (July 2003) Greifswald –Germany.
4- Relativistic effect on the weibel instability on circularly polarized microwave field, ICPP (Oct 2004), Nice-France.
5- Parametric instability in microwave discharge with linear polarization pulsed field, IGPIC (July 2005) Netherlands-Eindhoven.
6-Resonance parametric instability in microwave gas discharges produced by circular polarization fields, IGPIC (July 2005) Netherlands-Eindhoven.
7- Calculation of dielectric tensor elements in microwave gas discharges with circularly polarization in the presence of a static magnetic field, ICPP (June 2006) Kiev-Ukraine.
8- Participated in summer collage of plasma physics, ICTP-Italy -2007.
9-Participated in summer collage of plasma physics, ICTP-Italy -2009.
10-Numerical analyzing of unstable mode propagating along the external magnetic field on magnetized microwave produced plasma. 63 annual gaseous electronic conference, 4-8 October, 2010, Paris, France.