Purna, R.S., Sari, L., Angraini, F. and Andriani, M.P. 2024. Friendship Management Training with Prosocial Orientation for Improving Social-Emotional Competence of Middle School Students. South Eastern European Journal of Public Health. (Sep. 2024), 961–971. DOI:https://doi.org/10.70135/seejph.vi.1424.