Harsono, Bernardus Danny. “THE ROLE OF LEADERS IN DETERMINING THE DIRECTION OF SOCIAL GROUPS (A CASE STUDY IN THE MARKETING UNIT OF A COMPANY)”. Journal of Learning on History and Social Sciences 2, no. 8 (July 28, 2025): 480–484. Accessed March 24, 2026. https://journal.antispublisher.id/index.php/EJLHSS/article/view/1380.