“…In ESDG 4, UNESCO recommends that education for sustainable development should be included in all formal education curricula: primary, secondary and higher education and that the learner should be able to "recognize the importance of their own skills for improving their life, in particular for employment and entrepreneurship" [3]. In relation to employability competencies, international organizations consider the hard ones, technical and analytical, that allow the worker to perform the mechanical aspects of the job; and the soft ones, or transversal skills, that are defined as intangible personal qualities required to be effective in the work place, these skills cut across jobs and sectors [4][5][6][7]. The World Economic Forum (WEF) points out that skills such as creativity, originality, initiative, critical thinking, flexibility, complex problem-solving, emotional intelligence and leadership will likewise retain or increase their value in an international labour market [8].…”