AFRIANI, Mita Afriani; RIMAYATI, Elfi; MUSLIKAH, Muslikah; BAIHAQI, Mustika Aslam. The Efforts to Improve the Self-Confidence of Vocational High School Students using Classical Guidance Services with a Project-Based Learning Model. Quanta : Jurnal Kajian Bimbingan dan Konseling dalam Pendidikan, [S. l.], v. 9, n. 2, p. 156–163, 2025. DOI: 10.22460/quanta.v9i2.6013. Disponível em: https://e-journal.stkipsiliwangi.ac.id/index.php/quanta/article/view/6013. Acesso em: 31 may. 2025.