Yes: Precisely one of mine - "Protagonism of the" good soldier "in overcoming the first great economic crisis of the 21st century: The Psychological Contract and Organizational Citizenship Behaviors" (" El Protagonismo del" buen soldado "en la superación de la primera gran crisis económica del siglo XXI: El contrato psicológico y los comportamientos de ciudadanía organizacional") - which can be found among my contributions as "Articles" here in "RG "and in the same way, a Doctoral Thesis on the subject, directed by me; In both contributions -in addition- there is a lot of bibliography on the subject