SOPIANAH, Ani; SARI, Sukarni Novita; JUARDI. Cost Control Function in Operational Cost Efficiency at Squid Restaurant By Grandin Hotel Grand Dafam Ancol Jakarta. Journal of Sustainable Tourism and Hotel Management, [S. l.], v. 1, n. 1, p. 52–64, 2025. Disponível em: https://journal.idscipub.com/index.php/sthm/article/view/473. Acesso em: 12 may. 2026.