Bramastia, Bramastia, et al. “The Pancasila Fortress Campus Tourism Model in Character Strengthening at Sebelas Maret University of Surakarta”. QALAMUNA: Jurnal Pendidikan, Sosial, Dan Agama, vol. 18, no. 1, Feb. 2026, pp. 141-54, doi:10.37680/qalamuna.v18i1.7999.