I'm talking about demographic changes that had been transforming the colombian economic system and how the gobernment should act thinking in the inminent future, that is a fact having in mind the global megatrendings. 

thanks for listen my opinions.

Cambios Demográficos influyen en Megatendencias Globales

Grupo de trabajo:
Ana María Duque
Sebastián Villanueva
Daniela Arias

https://www.planetadelibros.com/libros_contenido_extra/37/36131_CUENTOS_DE_BUENAS_NOCHES_PARA_NINAS_REBELDES.pdf

Sebastian Villanueva