Aperador Chaparro, W., Delgado, A. E., & Bautista Ruiz, J. H. (2011). Optical Properties of Ldpe Films with different Additives Mixtures. IngenierĂ­a Y Ciencia, 7(14), 49-70. https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/429