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Intan Fazrin, Rizma El Walid. Stop Bullying Education As A Prevention Effort Using Video To Know The Knowledge Of Children At Elementary School. jqph [Internet]. 2024 Nov. 27 [cited 2025 Oct. 16];8(1):69-74. Available from: https://www.jqph.org/index.php/JQPH/article/view/515