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طراحی عمر ایمن (Persian Wikipedia)

Analysis of information sources in references of the Wikipedia article "طراحی عمر ایمن" in Persian language version.

refsWebsite
Global rank Persian rank
1nasa.gov
75th place
77th place

nasa.gov

ntrs.nasa.gov

  • Reddick, Harold. "Safe-Life and Damage-Tolerant Design Approaches for Helicopter Structures" (PDF). NASA. Retrieved June 11, 2019.