Gelas sekali pakai Referensi
↑ Hill, M.K. (2010). Understanding Environmental Pollution 519. ISBN 978-1-139-48640-8 ↑ Worrell, W.A.; Vesilind, P.A.; Ludwig, C. (2016). Solid Waste Engineering: A Global Perspective 395. ISBN 978-1-305-88835-7 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 . ↑ Webster, K. (2000). Environmental Management in the Hospitality Industry: A Guide for Students and Managers 146. ISBN 978-0-304-33234-2 ↑ Szaky, T. (2014). Outsmart Waste: The Modern Idea of Garbage and How to Think Our Way Out of It pt70. ISBN 978-1-62656-026-0 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 . 1 2 Zimring, C.A.; William L. Rathje, C.E. (2012). Encyclopedia of Consumption and Waste: The Social Science of Garbage pt1026. ISBN 978-1-5063-3827-9 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 . ↑ "Salinan arsip" . Diarsipkan dari asli tanggal 2023-03-26. Diakses tanggal 2016-06-29 . ↑ http://www.ciwm-journal.co.uk/mcdonalds-uk-to-trial-plastic-coated-paper-cup-recycling/%5B%5D Chronicle, San Francisco (November 13, 2015). "Much ado about a Starbucks disposable cup" . San Francisco Chronicle asli tanggal 2018-02-01. Diakses tanggal April 16, 2016 . Miller, G.T.; Spoolman, S. (2011). Cengage Advantage Books: Sustaining the Earth 288. ISBN 978-1-133-16928-4 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 . Aydelott, J.; Buck, D. (2007). Read Write Respond Using Historic Events 89. ISBN 978-1-4206-8237-3 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 . Roe, M. (2004). Market Research in Action 64– 65. ISBN 978-1-86152-938-1 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 . Harlan, J. (2011). Ramen to the Rescue Cookbook: 120 Creative Recipes for Easy Meals Using Everyone's Favorite Pack of Noodles pt11. ISBN 978-1-61243-004-1 asli tanggal 2023-07-29. Diakses tanggal 2016-06-29 .
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