Mardina Abdullah. (2004). Modelling and determination of ionospheric effects on relatives GPS measurements. School of Electronic and Electrical Engineering, University of Leeds.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mardina Abdullah. Modelling and Determination of Ionospheric Effects on Relatives GPS Measurements. Leeds: School of Electronic and Electrical Engineering, University of Leeds, 2004.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mardina Abdullah. Modelling and Determination of Ionospheric Effects on Relatives GPS Measurements. School of Electronic and Electrical Engineering, University of Leeds, 2004.
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