No Inv.: 3460-3469/P/Perp/98/10c
Judul asli : "Physical and Geotechnical Properties of Soils"
No Inv.: 88750/P/Perp/04/1c
No Inv.: 88966-88968/P/Perp/3c
Judul asli : "Principles of Geotechnical Engineering"
Judul asli : "Practical Problem in Soil Mechanics and Foundation Engineering"
Bibliografi : hlm. 289-290 No Inv.: 144671/SM/Perp/14/1c
Judul asli :"Soil mechanics and foundation engineering"