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Indian Ocean - Wikipedia
Indian Ocean | History, Map, Depth, Islands, & Facts | Britannica
Indian Ocean - WorldAtlas
Indian Ocean - World Factbook Glyph
Indian Ocean summary | Britannica
Indian Ocean - 2022 World Factbook Archive
Indian Ocean - The World Factbook
Indian Ocean - New World Encyclopedia
The Indian Ocean - Education | National Geographic Society
Indian Ocean - Exploration, Trade, Navigation | Britannica