B. Hutahayan, “THE EFFECT OF SPIRITUAL LEADERSHIP AND SOCIAL MEDIA UTILIZATION ON JUVENILE SPIRITUAL GROWTH IN THE BATAK KARO PROTESTAN CHURCH (GBKP) CILILITAN”, Psychosocial rehabilitation, vol. 24, no. 7, pp. 1110–1119, Sep. 2020, doi: 10.61841/736dt367.