Engineering economy. -- 8th ed. od DeGARMO, E. Paul

Materials and processes in manufacturing.-- ed.3 od DeGARMO, E. Paul

Material and processes in manufacturing 1.-- Ed.3 od DeGARMO, E. Paul

Material and processes in manufacturing 2.-- Ed.3 od DeGARMO, E. Paul

Materials and processes in manufacturing 3.-- Ed.3 od DeGARMO, E. Paul

Material and processes in manufacturing 4.-- Ed.3 od DeGARMO, E. Paul

Engineering economy.-- ed.7 od DeGARMO, E.Paul

Materials and processes in manufacturing.-- Ed.5 od DeGARMO, E. Paul

Ekonomi teknik jilid 2/penyunting Erlinda Muslim .-- ed.10 od EKONOMI TEKNIK

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Ekonomi teknik jilid 1 od EKONOMI TEKNIK

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