S. Poblete, M. R. ., and M. . C. Endico. “Synthesis of Biodegradable Cellulose-Chitin Polymer Film Using Recycled N,Ndimethylacetamide”. Scientific Journal of Environmental Sciences, vol. 5, no. 7, July 2016, pp. 227-31, http://sjournals.com/index.php/sjes/article/view/383.