NAWWAF, M.; BASYA, M. M. Analisis Daya Saing Tour and Travel Melalui Implementasi Manajemen Operasional PT. Permata Zain Al Miftah Bungah Gresik. UQUDUNA: Jurnal Hukum dan Ekonomi Syariah, [S. l.], v. 2, n. 02, 2025. Disponível em: https://journal.stai-almujtama.ac.id/index.php/al-uqudana/article/view/122. Acesso em: 6 jul. 2026.