SIREGAR, Roise. EFEKTIFITAS PELAKSANAAN LAYANAN BIMBINGAN KELOMPOK DALAM MENGATASI KESULITAN BELAJAR SISWA DI KELAS IX SMP. JGK (Jurnal Guru Kita), [S. l.], v. 4, n. 2, p. 8–14, 2020. DOI: 10.24114/jgk.v4i2.18980. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jgkp/article/view/18980. Acesso em: 29 aug. 2025.