Retraction notices

LCA-SEM Energy Petrochemical Product Structure: A Research on Optimization Model of Low Carbon Economy Urban Agglomeration Supply Chain

Type
Retraction
Notice date
4/28/2021 0:00
Journal
IOP Conference Series: Materials Science and Engineering
Publisher
IOP Publishing
Notice DOI
10.1088/1757-899x/439/5/052043
Original paper DOI
10.1088/1757-899x/439/5/052041

Reasons