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Amir Asghari
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This is somehow a copy of my answer to a closely related question:

G4G (Gathering for Gardner) is a Foundation that is worth to connect with. From 2010, people around the world celebrate the birthday of Gardner and G4G somehow links all of them together. Just visit G4G and you get many useful ideas, books, journals, venues and you may share your own ideas.

Amir Asghari
  • 2.4k
  • 3
  • 43
  • 59