Research on criminal juridical cooperation between Hangkong and mainland of China 并列题名:Research on criminal juridical cooperation between Hangkong and mainland of China Comparison research on criminal law and criminal juridical cooperation among Hongkong, Macau and Mainland of China 并列题名:Comparison research on criminal law and criminal juridical cooperation among Hongkong, Macau and Mainland of China Research on financial cooperation between China and Middle East countries Comparison on the old-age social welfare model between Hongkong and mainland of China Research on financial cooperation between China and Central Asian countries Research on vocational education cooperation between China and Sudan 并列题名:Comparison on the old-age social welfare model between Hongkong and mainland of China