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Bullying at School, Cyberbullying, and Loneliness: National..:

Madsen, Katrine Rich ; Damsgaard, Mogens Trab ; Petersen, Kimberly..
International Journal of Environmental Research and Public Health.  21 (2024)  4 - p. 414 , 2024
Link: https://doi.org/10.3390/ijerph21040414