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costs - Coggle Diagram
costs
ProQuest
https://www.proquest.com/openview/9f1f60bbbb844fe55b446a1850f63783/1?cbl=36297&pq-origsite=gscholar&parentSessionId=zuMfmUJZPkPP1G0ZhL%2FoinqFZUbYU0QQ0ZCWjzlEbBc%3D
2003
science direct
https://www.sciencedirect.com/science/article/abs/pii/S2211467X16300359
2016
science direct
https://www.sciencedirect.com/science/article/abs/pii/S0921344921003104
2021
online library
https://onlinelibrary.wiley.com/doi/abs/10.1002/sdr.4260080202
1992
science direct
https://www.sciencedirect.com/science/article/abs/pii/S036013231730118X
2017
science direct
https://www.sciencedirect.com/science/article/abs/pii/S0360319908002061
2008
annual reviws
https://www.annualreviews.org/doi/pdf/10.1146/annurev.eg.14.110189.002033
1989