RETRACTED: Yoon et al. The Optimal Decision Combination in Semiconductor Manufacturing. Sustainability 2017, 9, 1788

The Sustainability Editorial Office has been made aware that the published paper [1] has a significant overlap with a previously written, yet unpublished, technical report. The overlap included a number of identical figures and tables, as well as the analysis of the samples, and the previous manuscript had a different authorship to [1]. Therefore, the Sustainability Editorial Office has taken the decision to retract [1] in order to preserve academic integrity. We apologize to the readers of Sustainability and to the authors of the previous work. The decision to retract has been taken in agreement with the authors of [1]. MDPI is a member of the Committee on Publication Ethics and takes the responsibility to enforce strict ethical policies and standards very seriously. To ensure the addition of only high quality scientific works to the field of scholarly publication, [1] is retracted and shall be marked accordingly.