SIFAK, Mukhammad; ASNAWI, H. Nur; FIRMANSYAH, Fani. STRATEGI BAURAN PEMASARAN JASA DALAM MENINGKATKAN JUMLAH JAMAAH UMRAH (Studi Kasus Pada PT. UGTMAS Tour and Travel Pasuruan). JURNAL ILMIAH EDUNOMIKA, [S. l.], v. 8, n. 4, 2024. DOI: 10.29040/jie.v8i4.16166. Disponível em: https://jurnal.stie-aas.ac.id/index.php/jie/article/view/16166. Acesso em: 9 oct. 2025.