Yuliandita, Selvya, and sugiyo sugiyo. 2016. “Pengaruh Layanan Bimbingan Kelompok Terhadap Peningkatan Pemahaman Self-Control Siswa”. Indonesian Journal of Guidance and Counseling: Theory and Application 5 (1). https://doi.org/10.15294/ijgc.v5i1.12448.