No Inv.: 141607-141609,141610-141612/P/Perp/14/jil.2~146795-146796,141611/P/Perp/15/3c jil.2
No Inv.: 120580/PH/Perp/09/1c
Judul asli :"Prestressed concrete"
Judul asli : Prestressed concrete, third edition
Judul asli : "Structures"
Judul asli :"Concepts and Aplications of Finite Element Analysis".
No Inv.: 4414-4423/P/00/10 C.