Business intelligence for small and medium-sized enterprises : Lean Six Sigma for small and medium sized enterprises Explore finance of small and medium sized enterprises Research on financing of small and medium-sized enterprises 并列题名：Explore finance of small and medium sized enterprises Eco-innovation in small and medium-sized enterprises Legal counsel of small and medium-sized enterprises Marketing management of small and medium-sized enterprises Legal risk prevention guide for small and medium-sized enterprises Strategic management of small and medium sized enterprises