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Beta - Wikipedia
Beta Symbol (β)
β - Wiktionary, the free dictionary
Greek alphabet letters & symbols with pronunciation - RapidTables.com
Greek letters used in mathematics, science, and engineering
Beta - Simple English Wikipedia, the free encyclopedia
Greek alphabet - Wikipedia
Greek Alphabet: Symbols & Pronunciation - Vaia
Greek Beta Symbol Meaning, Origins and Uses Explained
Beta: Unveiling the Greek Alphabet's Second Star