Amanda, B., Sutoyo, A. and Nusantoro, E. 2017. Peningkatan Motivasi Belajar Siswa Kelas VIII Melalui Layanan Bimbingan Kelompok. Indonesian Journal of Guidance and Counseling: Theory and Application. 2, 4 (Aug. 2017). DOI:https://doi.org/10.15294/ijgc.v2i4.17214.