Molham, M., N. Clerc, A. Takey, T. Sadibekova, A. B. Morcos, S. Yousef, H. M. Hayman, and M. Li, "X-ray properties of the X-CLASS-redMaPPer galaxy cluster sample: the luminosity–temperature relation", MNRAS , vol. 494, , pp. 161–177, 2020. download-1601460780130.pdf
Khaled, S. A., L. Dam´e, M. A. Semeida, M. Y. Amin, A. Ghitas, S. Yousef, and P. Stoeva, "VARIATIONS OF THE HYDROGEN LYMAN-ALPHA LINE THROUGHOUT SOLAR CYCLE 24 ON ESA/PROBA-2 AND SORCE/SOLSTICE DATA", Comptes rendus de l’Acad´emie bulgare des Sciences, vol. 73, issue 9, pp. 1260-1269, 2020.
NegmEldin, M. A. F., A. E. Elsayed, and S. M. Yousef, "Physical properties of three short period close binaries: KIC 2715417, KIC 6050116 and KIC 6287172", Research in Astronomy and Astrophysics (RAA), vol. 19, issue 2, pp. 25-39, 2019.
Latković, O., A. Cséki, C. G. Djurašević, A. Essam, A. S. Hamed, and S. M. Youssef, "Long-term Spot Stability in the Post-common-envelope Binary QS Vir", The Astronomical Journal, vol. 157, issue 3, pp. 1-15, 2019. latkovic_2019_aj_157_3.pdf
Yousef, S., M. A. El-Rafy, and H. A. T. A. Hadabi, "Solar forcing on cyclones - case study: Gonu 2007", Journal of. Modern Trends in Physics Research, pp. 111-117, 2014. shhynz_3.pdf
Yousef, S., Y. O. h. Algafari, and R. Mawad, "On the solar stimuli that initiate Makkah Al- Mukaramah, Al-Madinah Al-Munawarah and Jeddah flash floods", Journal of. Modern Trends in Physics Research, pp. 122-130, 2014. shhynz_2.pdf
Yousef, S., "A revolutionary theory on the origin of the Moon", Journal of. Modern Trends in Physics Research, pp. 118-121, 2014. shhynz_1.pdf
Hamed, G. M., M. R. Sanad, S. Yousef, A. Essam, and E. M. Rafy, "Spectral evolution of the two classical novae PW Vul and V1668 Cyg using International Ultraviolet Explorer low-resolution spectra", Astron. Nachr, vol. 339, pp. 173–182, 2018. bhth_d._shhynz_2018.pdf
Yousef, S., M. A. Semeida, and S. S. Khodairy, "ALERT OF SEVERE EARTHQUAKES WORLDWIDE DUE TO SOLAR FORCING OF VERY WEAK SOLAR CYCLE 24", International Journal of Advances in Science Engineering and Technology, vol. 6, issue 2, pp. 81-85, 2018. sun_earthquake_paper.pdf
Hamed, G. M., M. R. Sanad, A. Essam, and S. Yousef, "ULTRAVIOLET SPECTRAL EVOLUTION OF V1974 Cyg USING IUE LOW RESOLUTION SPECTRA", Astrophysics, vol. 61, issue 1, pp. 91-100, 2018. dr._shahenaz.pdf
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