0 Global Navigation Satellite System (GNSS) types, uses & importance November 29, 2018 by Heba Soffar · Published November 29, 2018
0 The factors affecting the speed of chemical reactions February 17, 2016 by Heba Soffar · Published February 17, 2016 · Last modified January 14, 2019
2 Harmful health effects of the computer on the human body June 24, 2015 by Heba Soffar · Published June 24, 2015 · Last modified March 13, 2018
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