Influence of role overload on the intellectual stimulation and self-efficacy of public employees according to the hierarchical level

1. Martínez-Díaz,A.
2. Díaz-Fúnez,P.A.
3. Salvador-Ferrer,C.
4. Llopis-Marín,J.
5. Hernández-Sánchez,B.
6. Mañas-Rodríguez,M.Á.