Study on internal labor market in enterprises 并列题名:Study on internal labor market in enterprises Study of internal control of private-owned enterprises 并列题名:Study of internal control of private-owned enterprises Guide to internal control audits for manufacturing enterprises Excercises for internal management in the enterprises Case study on the internationalization of China's enterprises Study on industrial relations of the nonpublic-owned enterprises Study of the state-owned grain enterprises Study on investment behavior of tourism related enterprises