“On the Complex Practical Enforcement of Article 134 (6) of the Constitution: Comment to the Decisions of the Constitutional Court 139 2018, of September 17 and 17 2019, of February 11, Concerning the Appeals for Legal Protection Numbers 4877-2017729-2018 and 1104-2018 (B.O.E. Num. 22, of January 25, 2019, and Num. 67, of March 19, 2019)”. Journal of the Cortes Generales, no. 106, June 2019, pp. 559-6, https://doi.org/10.33426/rcg/2019/106/1412.