N. Valderrama and  W. AlbarracĂ­n and  N. Algecira,  Physical and Microbiological Evaluation of Chitosan Films: Effect of Essential Oils and Storage.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2015, vol. 98(2). 262 - 269
    [viewed 20 September 2020]. Available from: https://publications.waset.org/pdf/10000406.