Efforts to improve self-concept with adolescent therapeutic group therapy (TKT) and assertive training (AT) for 7th grade students at SMP Negeri 20 Pekanbaru City. Community Empowerment, [S. l.], v. 7, n. 8, p. 1304–1311, 2022. DOI: 10.31603/ce.6581. Disponível em: https://coba.unimma.ac.id/ce/article/view/6581. Acesso em: 30 sep. 2026.