Saptaria, Lina, et al. “Integrated Marketing Communication Strategy Using Quadruple Helix Approach to Increase Tourism Visits to Mount Bromo”. Abdimas: Jurnal Pengabdian Masyarakat Universitas Merdeka Malang, vol. 9, no. 4, Nov. 2024, pp. 960-74, doi:10.26905/abdimas.v9i4.13819.