Scientific Research and Essays 1992-2248 Academic Journals 10.5897/SRE2019.6656 Alejandro De Jess Corts-Snchez * E-mail: alecortes_1@hotmail.com 2020 31 01 2020 11 11 2019 09 01 2020 15 1 11 17 This is an open-access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. This article is available from http://politicalwaffle.uk/journal/SRE/article-abstract/B30FBF162921 The full text article is available as a PDF file from http://politicalwaffle.uk/journal/SRE/article-full-text-pdf/B30FBF162921 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49