MULYASARI, Kharisma rizki tri; WICAKSONO, Awang Setiawan. MENINGKATKAN KETERAMPILAN KOMUNIKASI ASERTIF SISWA KELAS X SMA MUHAMMADIYAH 10 GKB GRESIK MELALUI ASSERTIVENESS TRAINING . Journal Universitas Muhammadiyah Gresik Engineering, Social Science, and Health International Conference (UMGESHIC), [S. l.], v. 2, n. 2, 2025. DOI: 10.30587/umgeshic.v2i2.10784. Disponível em: https://journal.umg.ac.id/index.php/umgeshic/article/view/10784. Acesso em: 15 jun. 2026.