SARAGIH, Ramadian Maghvira; NASUTION, Muhammad Irwan Padli; NURBAITI, Nurbaiti. The Effect of Operational Efficiency on Café Performance. Journal of Social Work and Science Education, [S. l.], v. 6, n. 2, p. 512–525, 2025. DOI: 10.52690/jswse.v6i2.1074. Disponível em: https://ejournal.sembilanpemuda.id/index.php/jswse/article/view/1074. Acesso em: 4 jun. 2026.