Collier, D. A., & Evans, J. R. (2021). Operations and supply chain management (2E.). Cengage.
Lua i Stíl Chicago (17ú heag.)Collier, David A., agus James R. Evans. Operations and Supply Chain Management. 2E. Boston, MA, USA: Cengage, 2021.
Lua MLA (9ú heag.)Collier, David A., agus James R. Evans. Operations and Supply Chain Management. 2E. Cengage, 2021.
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