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PhD. Materials Science, Nucleation and growth of defects in ultra-high purity silicon doped with nitrogen, North Carolina State University, USA (2004).

PhD. Physics, Polycrystalline Silicon Solar Cell Fabrication by Screen Printing and Material Characterization and Modeling,  University of Tunis, El Manar and Katholieke Universiteit die Leuven, Belgium (1987).

MS. Condensed Matter Physics – Photovoltaics, Characterization and Modeling of CdS/Cu2S Thin Film Solar Cells,  University of Tunis, El Manar and University of Pierre et Marie Curie, Paris (1982).