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Main Authors Sipahutar W.S.
Sipahutar W.S.

Sumatera Institute of Technology

South Lampung, Lampung, Indonesia

Sipahutar W.S.

Sipahutar Wahyu Solafide --- Lecturer, Department of Materials Engineering, Sumatera Institute of Technology (Sumatera, South Lampung, Lampung, 35551 Indonesia).

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