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What Is Bullying | StopBullying.gov
Bullying - Wikipedia
Bullying: What is it and how to stop it | UNICEF Parenting
Bullying: What It Is, Types, and More - Verywell Health
Bullying | Causes, Effects & Prevention | Britannica
Facts About Bullying | StopBullying.gov
Bullying - American Psychological Association (APA)
Bullying: Types, effects, and seeking help - Medical News Today
Effects of Bullying | StopBullying.gov
Bullying | Psychology Today