Literature Review about Lean Six Sigma "DMAIC tool", management homework help

I want  a complete LiteratureReview for my master thesis around 10-12 pages and the title of the thesis is “Using Lean Six Sigma DMAIC To Develop Capital Maintenance Projects Processes atSaudi Electricity Company “Abstract of Thesis The aim of the study is to developCapital Maintenance Projects of Maintenance Sector of western operation area atSaudi Electricity Company by using Lean Six Sigma Methodology and ARIS ExpressSoftware. Lean Six Sigma is a process based methodology for pursuing continuousimprovement. Companies use this methodology to reduce/eliminate the waste intheir processes. ARIS Express software is a modeling tool for business processanalysis and management. Lean Six Sigma includes five phases has to be studiedwhich are DMAIC which stands for ( Define, Measure, Analyze, Improve andControl ). Using Lean Six Sigma methodology on Maintenance Sector at SaudiElectricity Company to identify the root causes of the delay in the processesof Capital Maintenance Projects , determine which process parameters have thegreatest impact on the time delay, Improving the performance of the CapitalProjects in maintenance sector of western operation area and Develop a systemthat can be used to be followed easily in maintenance sector of westernoperation area by all participants in the Capital Projects.Note :In the attached filethere are a 6 journals consists of 6 studies related to DMAIC tools , which you can summarize  anduse it in Literature Review or you can use your own journals that related tothe study including references and citation but should not exceed 6 journals .