Judul asli : "Basic Welding and Publication"
No Inv.: 3751-3755/P/Perp/92/5c~1229/P/Perp/92/1c~1830/P/Perp/92/1c~551/S/Perp/91/1c~346/S/Perp/1c~9525-9527,9529-9534/P/Perp/97/9c~102861/S/Perp/05/1c
No Inv.: 1716/S/Perp/93/1c
No Inv.: 05-06/BD/Perp/86/2c~774-775/BD/Perp/86/2c