1. Official methods of analysis;AOAC International,1997
2. Baker, A.R., 2010. Fees on plastic bags: Altering consumer behavior by taxing environmentally damaging choices [Online], Available: http://works.bepress.com/alice_baker/1 (Accessed 17 June 2016).
3. Handbook of Biodegradable Polymers;Bastioli,2005
4. Starch-polyvinyl alcohol crosslinked film-Performance and biodegradation;Chen;J. Environ. Polym. Degrad.,1997
5. Comparative study on the films of (polyvinyl alcohol)/pea starch nanocrystals and poly(vinyl alcohol)/native pea starch;Chen;Carbohyd. Polym.,2008