Πηγές

1. ΕΛΣΤΑΤ www.statistics.gr

2. Statistics Bureau of Japan www.stat.go.jp

3. OECD gpseducation.oecd.org

4. UNESCO whc.unesco.org

5. Blue Flag www.blueflag.global

6. Japan National Tourism Organization www.japan.travel

7. Ministry of Education, Culture, Sports, Science and Technology – Japan www.mext.go.jp

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