ROSMAWATI, R.; SARMINI, A.; WISRA, M. Y. Pengaruh Efisiensi, Inovasi, dan Evaluasi terhadap Manajemen Operasional Club House Cemara Asri Gym dan Swimming. Surplus: Jurnal Ekonomi dan Bisnis, [S. l.], v. 4, n. 2, p. 635–652, 2026. DOI: 10.71456/sur.v4i2.1741. Disponível em: https://yptb.org/index.php/sur/article/view/1741. Acesso em: 8 oct. 2026.