Ambrósio, V., C. Fernandes, A. Krogmann, I. Leitão, D. Oremusová, and L. Šolcová. “From Church Perseverance in Authoritarian States to today´s Religious Inspired Tourism”. PASOS Revista De Turismo Y Patrimonio Cultural, vol. 17, no. 5, Oct. 2019, pp. 1065-78, doi:10.25145/j.pasos.2019.17.074.