Sitanggang, Nathanael, and Putri Lynna A. Luthan. “The Effects of Emotional Knowledge, Emotional Reconciliation, Emotional Authenticity on the students’ Emotional Spirituality”. Jurnal Kependidikan: Penelitian Inovasi Pembelajaran, vol. 2, no. 1, May 2018, pp. 167-80, doi:10.21831/jk.v2i1.13722.