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About The Authors
Maher Ali Almaqtari
Sana'a University, Sanaa
Yemen
Sana'a University, Sanaa, Yemen, Doctor of Science, pofessor
Vasily Verkhoturov
Saint-Petersburg University of State Fire Service of Emercom of Russia
Russian Federation
Saint-Petersburg University of State Fire Service of Emercom of Russia, Russian Federation, Doctor of Science, pofessor
Jezik
User
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