@bachelorthesis{10336/9262,
author = {Bustos, Alexánder},
author = {Pachón, Magally},
year = {2007},
url = {http://repository.urosario.edu.co/handle/10336/9262},
title = {Percepción del riesgo en trabajadores de la mina de carbón la morena},
publisher = {Universidad del Rosario},
}