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1مؤتمر
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10دورية أكاديمية
الإتاحة: https://commons.erau.edu/space-congress-proceedings/proceedings-2018-45th/feb-28-2018/8Test
https://commons.erau.edu/context/space-congress-proceedings/article/3673/viewcontent/robbins_and_stansbury___UAS___Space_Congress___final_2.0_OPT.pdfTest
https://commons.erau.edu/context/space-congress-proceedings/article/3673/filename/0/type/additional/viewcontent/robbins_and_stansbury___UAS___Space_Congress___final_2.0.pptxTest