1. DuPont Teijin Films, Oxygen and water vapour barrier properties of flexible packaging films. , n.d. (accessed 28.06.20).
2. ExxonMobil Chemical, LDPE LD 071. , n.d. (accessed 28.06.20).
3. ExxonMobil Chemical, LLDPE LL 1001. n.d. (accessed 28.06.20).
4. PE based multilayer film structures;Butler,2010
5. ExxonMobil Chemical, Exceed mLLDPE exceed 1018CA. , n.d. (accessed 28.06.20).