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1Academic Journal
المؤلفون: Lioudmila V. Karnatovskaia (11860842), Katalin Varga (11860845), Alexander S. Niven (11860848), Phillip J. Schulte (9612456), Midhat Mujic (11860851), Ognjen Gajic (81574), Brent A. Bauer (9636869), Matthew M. Clark (9978398), Roberto P. Benzo (11860854), Kemuel L. Philbrick (11860857)