1.
Choirulloh A, Alfianto AG, Muntaha, Ulfah M. Test of the Validity and Reliability of Mental Health in Preventing Bullying Through Positive Behavior in Adolescents. NHSJ [Internet]. 2024 Mar. 4 [cited 2025 Oct. 16];4(1):103-9. Available from: https://nhs-journal.com/index.php/nhs/article/view/341