1. Petra International Conference on
Mathematics, Oct. 23-25 Oct., 2007. Al-Hussein Bin Talal
University/ Jordan. October/ 23-25 /2007.
2. Dalhousie University Halifax Conference,
Nova Scotia, Canada, The strength of rigid/plastic
composites: a comparison of
piecewise-linear and power-law approximations, July/17/2006
3. Arabic Council for Training Arab
Students. Al-Hussein Bin Talal University/ Jordan.