Ummu Ziyad, Habib Muharrom Sudarmawan, Mohammad Agus Sugianto. INTERNALISASI NILAI-NILAI PROFESIONALISME MELALUI KEGIATAN MAGANG DI PERUSAHAAN TRAVEL HAJI DAN UMRAH. Tifani [Internet]. 2025 Nov. 5 [cited 2026 Jun. 9];5(1):80-6. Available from: https://tifani.org/index.php/tifani/article/view/128