Παραπομπή APA
El-Halwagi, M. M. (1997). Pollution prevention through process integration: Systematic design tools. San Diego: Academic Press.
Παραπομπή Chicago StyleEl-Halwagi, Mahmoud M. Pollution Prevention Through Process Integration: Systematic Design Tools. San Diego: Academic Press, 1997.
Παραπομπή MLAEl-Halwagi, Mahmoud M. Pollution Prevention Through Process Integration: Systematic Design Tools. San Diego: Academic Press, 1997.
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