Gaya APA
Hafni, .
(2020).
Modul Praktikum Las Gas TungstenArc Welding (GTAW)
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Padang:
ITP Press.
Gaya MLA
Hafni, .
"Modul Praktikum Las Gas TungstenArc Welding (GTAW)".
Padang:
ITP Press,
2020.
Text.