RAMADHANI, Muhammad Fajri Tsani; MAUFUR, Maufur; NUGRAHA, Rahmad Agung. Efektivitas Peran Guru BK Membangun Kepercayaan Diri Peserta Didik melalui Bimbingan Kelompok. Journal of Education Research, [S. l.], v. 5, n. 3, p. 2886–2891, 2024. DOI: 10.37985/jer.v5i3.1385. Disponível em: https://mail.jer.or.id/index.php/jer/article/view/1385. Acesso em: 2 aug. 2025.