Faúndez, A. “The Problem of the Existing Concept of Permanent Establishment Contained in International Double Taxation Conventions Facing the New Fiscal Challenges in the Digital Economy”. Revista Chilena De Derecho Y Tecnología, vol. 7, no. 1, June 2018, pp. 155-73, doi:10.5354/0719-2584.2018.48223.