Write review report based on this article: "Market Concentration in Pakistan's Cement Industry By Saira Hannan (05681) Syeda Zehra Abbas (05312) Syyeda Farwah Naqvi (05299)"

Requirements: (Make glossary and mention the definitions/formulas of all the indices which are used in these three articles. write separate review for each article which must have study location, time frame, data sources, methodology, results and conclusion).