1. Universidad Internacional de Valencia (VIU), Valencia, Spain and Department of Teacher Training, Faculty of Education, Universidade Internacional do Cuanza, Kuito, Angola
2. Universidad Internacional de Valencia (VIU), Valencia, Spain and Department of Teacher Training, Faculty of Education, Universidad Internacional Iberoamericana, Campeche, Mexico
3. Department of Teacher Training, Faculty of Education, Universidade Internacional do Cuanza, Kuito, Angola
4. Faculty of Social Sciences, Universidad Europea del Atlántico, Santander, Spain