“Physicochemical Characteristics of Rayon Grade Dissolving Pulp and the Effects of Metallic-Ions on the Viscose Rayon Process”. Biological Sciences - PJSIR, vol. 49, no. 5, Oct. 2006, pp. 368-70, https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1252.