Research on the institutional change and protection of Chinese farmers' property rights 并列题名:Research on the institutional change and protection of Chinese farmers' property rights Research on the institutional change and innovation of Hi-tech firms Research on the international law of protection of children’s rights Study on the institutional change and influencing factors of Chinese farmer cooperatives 并列题名:Study on the institutional change and influencing factors of Chinese farmer cooperatives from the perspective of the protection of the farmers' property rights 并列题名:Research on the institutional change and innovation of Hi-tech firms 并列题名:Research on the international law of protection of children’s rights Research on internationalization of intellectual property rights