Não informado. University of Iowa studies in engineering. University of Iowa, College of Engineering.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. University of Iowa Studies in Engineering. Iowa City, Iowa: University of Iowa, College of Engineering.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. University of Iowa Studies in Engineering. University of Iowa, College of Engineering.
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