@TECHREPORT{Tun_La _1985,
author = "Tunjo C., Ceferino - Calberto Jiménez, Edinson",
title = "La industria plástica en Cali",
year = 1985,
institution = "Universidad Autónoma de Occidente",
url = "https://red.uao.edu.co/handle/10614/4638",
}