Research of the graduates' employment in the period of National Government 并列题名：Research of the graduates' employment in the period of National Government Research on news legal system in the period of Beiyang Government research on the procuratorial system of the Nanking National Government a study on the northwest economic development during the period of Nanjing national government Research on the water policy of Jingzhao-Zhili in the period of Beiyang government 并列题名：Research on the water policy of Jingzhao-Zhili in the period of Beiyang government research on the legal regulation with responsible government research on the quality and improvement of the urban commlinty governance 并列题名：Social security system for labors in the period of Nanjing national government