Saragih, Darwin Raja Unggul, and Nasruddin Nasruddin. 2022. “EFEKTIVITAS KUALITAS LAYANAN DI TENGAH PERSAINGAN ONLINE TRAVEL AGENT MELALUI KEPUASAN PELANGGAN”. ANALISIS 12 (1):1-19. https://doi.org/10.37478/als.v12i1.1717.