Effectiveness of brief CBT cognitive restructuring and self-instruction counseling for increasing academic hardiness of boarding school students. Jurnal Bimbingan Konseling, [S. l.], v. 15, n. 1, p. 71–76, 2026. DOI: 10.15294/jubk.v15i1.25574. Disponível em: https://journal.unnes.ac.id/journals/jubk/article/view/25574. Acesso em: 23 oct. 2026.