1. Akan, Y. 2021. Investigation of the Effect of the “Violence Reduction Psychoeducation Program” on Anger, Violence and Aggression Levels of Students. International Journal of Progressive Education, 17(1), 513–533. https://doi.org/10.29329/ijpe.2020.329.32
2. Akos, P. 2000. Building Empathic Skills in Elementary School Children Through Group Work. Journal For Specialists In Group Work, 25(2).
3. Apriliani, A., Rosmawati, & Yakub, E. 2015. Pengaruh bimbingan kelompok terhadap peningkatan empati siswa kelas xi smk farmasi ikasari pekanbaru tp. 2014/2015. Jurnal Online Mahasiswa Fakultas Kegurudan Dan Pendidikan Universitas Riau., 4(2), 1–9.
4. Baron, R. A., & Byrne, D. 2012. Psikologi Sosial Edisi Kesepuluh. Jakarta: Erlangga.
5. Batson, C. D., & Ahmad, N. Y. 2015. Altruism and Prosocial Behavior in Groups Article information : Advances in Group Processes, 26(4), 1–23. https://doi.org/10.1108/S0882-6145(2009)0000026004