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Ruben Johns

  • @john_be
  • /
  • /
  • Brussels Belgium
3 Uploads

Presentations (3)

7th Century Historical Overview: Rise of Islam and Byzantine-Persian War
7th Century Historical Overview: Rise of Islam and Byzantine-Persian War
Different Types of Fractures and Their Characteristics
Different Types of Fractures and Their Characteristics
Impacts of Climate Change on the Southern Great Plains Region
Impacts of Climate Change on the Southern Great Plains Region