Rahmayanti, 2. D., Masine Md. Tap, s., & Mekanikal, F. K. (2009). Effect of level of difficulties on job performance.
Chicago-čujuhus (17. p.)Rahmayanti, 245675 Dina, supervisor Masine Md. Tap, juo Fakulti Kejuruteraan Mekanikal. Effect of Level of Difficulties on Job Performance. 2009.
MLA-čujuhus (9. p.)Rahmayanti, 245675 Dina, et al. Effect of Level of Difficulties on Job Performance. 2009.
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