1 Subjects: “...thema EDItEUR::K Economics, Finance, Business and Management::KC Economics::KCM Development...”

2 Subjects: “...economics...”

3 Subjects: “...economic order quantity (EOQ)...”

4 “... or experimental research to present engineering and economic problem solution models that deal with symmetry...”

5 “..., operations research, optimal control science, artificial intelligence, management science and economics....”