“AGGRESSIVE BEHAVIOR IN ADOLESCENTS AFTER IMPLEMENTING PIK-R AT SMA NEGERI ‘Z’ PEKANBARU IN 2020”. Al Insyirah International Scientific Conference on Health 2, no. 1 (April 19, 2021): 61–66. Accessed June 4, 2026. https://jurnal.ikta.ac.id/aisch/article/view/1552.