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| Tekni-Films, available Jan. 17, 2017, [online], [site visited Dec. 18, 2017]. Available from internet, <URL: https://www.medicalplasticsnews.com/news/tekni-films-discussing-its-latest-rigid-and-flexible-packagi/ (Year: 2017). |
| Nzfresh Sausage Tray, available Dec. 18, 2017, [online], [site visited Dec. 18, 2017]. Available from internet, <URL: http://www.nzfresh.net/new-product-1/ (Year: 2017). |