Tyas, C. A., A. . Setiawan, and C. A. . Widiharto. “The Relationship Between Self-Concept and Self-Confidence of Junior High School Students”. Quanta : Jurnal Kajian Bimbingan Dan Konseling Dalam Pendidikan, vol. 9, no. 1, Jan. 2025, pp. 67-74, doi:10.22460/quanta.v9i1.5474.