David Loader, G. B. (2002). Managing Technology in the Operations Function. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)David Loader, Graeme Biggs. Managing Technology in the Operations Function. ELSEVIER, 2002.
Lua MLA (8ú heag.)David Loader, Graeme Biggs. Managing Technology in the Operations Function. ELSEVIER, 2002.
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