Ray tracing based path loss prediction in two microcellular environments. - Karim Rizk; Jean-Frédéric Wagen; Fred Gardiol (PIMRC, 1994)

Ray tracing based prediction of impulse responses in urban microcells. - Jean-Frédéric Wagen; Karim Rizk (VTC, 1994)

Influence of database accuracy on two-dimensional ray-tracing-based predictions in urban microcells. - Karim Rizk; Jean-Frédéric Wagen; Fred Gardiol (IEEE Trans. Veh. Technol., 2000)

Addendum to "Path Loss Predictions in Urban Areas with Irregular Terrain Topography". - Ramakrishna Janaswamy; Karim Rizk (Wirel. Pers. Commun., 2000)

Analysis of the content of YouTube videos discussing acne, psoriasis, and anti-aging skincare in Arabic. - Karim Rizk; Maria Farhat; Boutros Soutou (Health Informatics J., 2024)