Bibliografi : hlm. 107 No Inv.: 136499/SM/Perp/13/1c
Bibliografi : hlm. 170-171No Inv.: 141426-141430/P/Perp/14/5c
No Inv.: 329/PN/Perp/88/1c~2087/S/Perp/89/1c
Judul asli : "Unit Operations of Chemical Engineering"
No Inv.: 585-589/P/Perp/94/5c~329/AF/Perp/94/1c
Judul asli : "Engineering Circuit Analysis"
Judul asli : "Der Dreshstrom"
No Inv.: 1201-1208/P/Perp/95/8c
No Inv.: 130051/SM/Perp/11/1c