... نحو بناء قاعدة معلومات عربية شاملة لجميع المعارف والعلوم
الرئيسية Microfabricating Sunlight reflectors for minimizing the passage of solar radiation to the interior of tents in Mina and Arafat during Hajj season
Microfabricating Sunlight reflectors for minimizing the passage of solar radiation to the interior of tents in Mina and Arafat during Hajj season