We used the data from NASA as our guide to improve our study. It influenced as to research and gain more knowledge in regards with our topic on how to make an alternative solution on recycling papers.
https://drive.google.com/file/d/1mxYR8z85RfNrHOnpJJnfjWoaMA9cjoK6/view?usp=drivesdk
Jain, R., & Webb, D. (2012). Handbook of Environmental Engineering Assessment. Retrieved from Science Direct: https://www.sciencedirect.com/topics/earth-and-planetary-sciences/recycled-paper
Yamashita, M., & Suzuki, K. (2014). Human Society Viewed from the Perspective of 3R-Eco-Activities and Environmental Measures: Part II - Relationships between the Use of Waste Paper, Recycling of Used Paper, and Environmental Burden. Kyoto: Doshisha University.