No Inv.: 2767-2769/P/Perp/95/3c
No Inv.: 964-966/Pb/Perp/92/3c
Judul asli :"Site design and construction detailing"
Judul asli : "Principles of Geotechnical Engineering"
No Inv.: 123442-123443,12345-123446/P/Perp/10/4c~142912-142916/P/Perp/14/5c~144374/PH/Perp/14/1c
No Inv.: 67608-67616/S/00/9c~77844-77849/S/01/6c
Judul asli : "Introduction to the Study of Soils in Tropical and Subtropical Regions"
Judul asli : "Practical Problem in Soil Mechanics and Foundation Engineering"
No Inv.: 2339-2343/P/Perp/92/5c
Judul asli : "Elements of Power System Analysis"