Study on the problem of peasants' rights and interests in China in new period Study on the protection of China seafarer's rights and interests by soft and hard law Study in the problem of German armament during the interwar period Study on legal system of women's rights and interests protection 并列题名:Study on the protection of China seafarer's rights and interests by soft and hard law Study on the problems of Dongguan economic development in transition period Study on the problems of nationality in private international law Study on transfer of China's rural labor in the new period