NANI BARORAH NASUTION; DONNA MARITO. Pengaruh Layanan Bimbingan Kelompok Teknik Problem Solving Terhadap Keterampilan Berpikir Kritis Pada Siswa Kelas X SMA IT Khairul Imam Medan. Jurnal Dunia Pendidikan, [S. l.], v. 4, n. 2, p. 805–815, 2024. DOI: 10.55081/jurdip.v4i2.1837. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JURDIP/article/view/1837. Acesso em: 10 sep. 2026.