del Real Morales, R.M. 2016. Application of the theory of estoppel regarding a public instrument that denies the remuneratory nature of the gratification. Revista Chilena de Derecho del Trabajo y de la Seguridad Social. 7, 13 (Jul. 2016), pp. 193–197. DOI:https://doi.org/10.5354/0719-7551.2016.42510.