Bibliografi : hlm. 375 - 376
No Inv.: 1146-1148/Pb/Perp/92/3c~6274-6278/P/Perp/92/5c
Bibliografi : hlm. 236
Bibliografi : hlm. 235-236
No Inv.: 3320-3321/Perp/86/2c
No Inv.: 826-828/Perp/84/3c~2629/S/Perp/87/1c~2714/S/Perp/87/1c
Judul asli : "Maintenance Management Techniques"