@TECHREPORT{Rui_El _1963,
author = "Ruiz Merchan, Libia - Guerrero Medina, Marina",
title = "El servicio social y los programas en la caja de prevision social distrital",
year = 1963,
institution = "Universidad Colegio Mayor De Cundinamarca",
url = "https://repositorio.unicolmayor.edu.co/handle/unicolmayor/3105",
}