“Efforts to Improve Mental Health in the Era of Industry 4.0 Through Psychoeducation and Mentoring to Build Positive Self-Concept in Middle School Students”. Altifani Journal: International Journal of Community Engagement 6, no. 2 (July 28, 2026): 143–150. Accessed October 2, 2026. https://ojs.um-palembang.ac.id/altifani/article/view/1739.