KOBAYASHI IWAO. (1994). 20 KEYS TO WORKPLACE IMPROVEMENT. PRODUCTIVITY & QUALITY PUBLICATION.
Chicago-viite (17. p.)KOBAYASHI IWAO. 20 KEYS TO WORKPLACE IMPROVEMENT. MADRAS: PRODUCTIVITY & QUALITY PUBLICATION, 1994.
MLA-viite (9. p.)KOBAYASHI IWAO. 20 KEYS TO WORKPLACE IMPROVEMENT. PRODUCTIVITY & QUALITY PUBLICATION, 1994.
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