بيانُ المصادر

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Author credits:

Felix Nartey
Michał Komorniczak
José Porras (2)
Christopher Crouzet
Matthew Hadley
Simon Goodall (2)
Tormod Sandtorv
Gcote82
Victor Grigas
Rama
Taipei Medical University FLYoung International Service
Zachary McCune
A. Kauffeld from USAID (public domain)
North Korea photo © Jung Kwang-Il,  courtesy of NKSC
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