Afriani, Mita Afriani, Elfi Rimayati, Muslikah Muslikah, and Mustika Aslam Baihaqi. 2025. “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 9 (2):156-63. https://doi.org/10.22460/quanta.v9i2.6013.