000 00648nam a2200193Ia 4500
001 25996
008 250204s9999 xx 000 0 und d
082 _a624.1
082 _bAh511
100 _aDuaa Hashim Ahmad
245 4 _aThe Effect of Nano Materials on Mechanical Properties and Shrinkage of Lightweight Aggregate Concrete
260 _c2022
300 _a99p
500 _aماجستير
502 _aAmmar Abduljabbar Mohammed
502 _bالجامعة التقنية الشمالية
650 _aConstruction Materials Technology Engineering
856 _uhttps://drive.google.com/open?id=1i1irYneano0VujYH8rfPu3QjmySWb94c
999 _c25996
_d25996