del Real Morales RM. Application of the theory of estoppel regarding a public instrument that denies the remuneratory nature of the gratification. Rev. chil. derecho trab. segur. soc. [Internet]. 2016 Jul. 29 [cited 2024 Oct. 6];7(13):pp. 193-197. Available from: https://byzantion.uchile.cl/index.php/RDTSS/article/view/42510