Rani, A., A. Sutoyo, and A. Awalya. “The Effectiveness of Group Counselling With Self Talk Technique and Combination of Self Talk and Reframing Technique to Reduce Aggressivity”. Jurnal Bimbingan Konseling, Vol. 7, no. 1, Aug. 2018, pp. 69-74, doi:10.15294/jubk.v7i1.22841.