Test item file : statistics for management [by] Richard I. Levin [and] David S. Rubin / Rod D. Raehsler. (1999). Upper Saddle River, NJ: Prentice-Hall, c.
Test item file : statistics for management [by] Richard I. Levin [and] David S. Rubin / Rod D. Raehsler. 7th ed.. Upper Saddle River, NJ: Prentice-Hall, c, 1999. Buku Manual.