FORTUNE JOYCE [A], P. G. [. (2005). LEARNING FROM FAILURE: THE SYSTEMS APPROCH. JOHN WILEY & SONS.
Chicago-čujuhus (17. p.)FORTUNE JOYCE [A], PETERS GEOFF [A]. LEARNING FROM FAILURE: THE SYSTEMS APPROCH. CHICHESTER: JOHN WILEY & SONS, 2005.
MLA-čujuhus (9. p.)FORTUNE JOYCE [A], PETERS GEOFF [A]. LEARNING FROM FAILURE: THE SYSTEMS APPROCH. JOHN WILEY & SONS, 2005.
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