[1]
D. A. Azzahra, D. Deliati, and M. F. Harahap, “Implementation of Classical Guidance Services Using a Cognitive Approach Through Puzzle Media to Prevent Bullying Behavior in Grade X AV 2 Students at SMK Negeri 4 Medan”, JRIP, vol. 5, no. 2, pp. 388–391, May 2025.