1. Official method 990.12 for aerobic plate count in food;AOAC (Association of Official Analytical Chemists),2012
2. Official method 997.02 for yeast and mould count in food;AOAC (Association of Official Analytical Chemists),2012
3. Official methods and recommended practices of American oil chemist's society;AOCS (American Oil Chemist's Society),1989
4. Standard test method for tensile properties of thin plastic sheeting D882;ASTM,1997
5. Standard test method for water vapor transmission rate of sheet materials using dynamic relative humidity measurement;ASTM, E398,2003