NAWFAL JEBBOR, and SEDDIK BRI, and A. M. SANCHEZ, and MOHAMED CHAIBI, (2013) Afast calibration-independent method for complex permittivity determination at microwave frequencies. Measurement 46 (2013) 2206–2209..

NAWFAL JEBBOR, and SEDDIK BRI, and A. M. SANCHEZ, and MOHAMED CHAIBI, (2013) A Microwave Measurement Method for Complex Permittivity Determination of Dielectric Materials at Ku-Band. Sciknow Publications Ltd. Physics and Technical Sciences, PTS 2013, 1(1):6-9..

NAWFAL JEBBOR, and SEDDIK BRI, and ANGEL MEDIAVILLA SÁNCHEZ, and MOHAMED CHAIBI, (2012) Microwave characterization of low-loss solid dielectric materials using rectangular waveguide. International Journal of Emerging Sciences ISSN 2222-4254, Volume: 2; Issue: 4; PP. : 526-532; 2012..

NAWFAL JEBBOR, and SEDDIK BRI, and A. M. SANCHEZ, and MOHAMED CHAIBI, (2012) Unicalibrated microwave measurements for complex permittivity determination of dielectric materials at X-Band frequencies. International Journal of Microwaves Applications, Volume 1, No.1, 2012, PP.28-31, ISSN: 2320 -2599..