"Fresh and mechanical properties of the cementitious materials containing rice husk ash", Engineering Research Journal, Helwan university, Vol. 84, December . "Degradation of rice husk ash reinforced concrete exposed to severe conditions", 9th Arab Structural Engineering Conference (ASEC), Union of Arab Emirates. "Transport and microstructure of rice husk ash concrete", Scientific Bulletin, Ain Shames university, Vol. 39, No. 3, September . “The impact of expansion due to alkali-carbonate reaction on the engineering properties of concrete”, 1st International Engineering Mechanics and Materials Specialty Conference, St. Newfoundland and Labrador, Canada, May. A comparative study for alkali-reactivity of various aggregate sources Part I: Petrographic examination, to be published. A comparative study for alkali-reactivity of various aggregate sources Part II: Expansion and reaction mechanisms, to be published.