000 00628nam a2200193Ia 4500
001 25845
008 250204s9999 xx 000 0 und d
082 _a693.21
082 _b M725
100 _aMarwa Saadi Mahmood Mohammed
245 0 _aStudying the Utilization of Nano-Silica to Produce Sustainable Concrete Bricks
260 _c2021
300 _a96p
500 _aماجستير
502 _aEethar Thanon Dawood
502 _bالجامعة التقنية الشمالية
650 _aConstruction Materials Technology Engineering
856 _uhttps://drive.google.com/open?id=16u8hnK_EoGsm98W3s0mjlgv35SSvAgi6
999 _c25845
_d25845