by Rahardjo, M. Dawan $7.00
by Ridley, Mark $6.00
by Busroh, Ismid D.I $11.00
by Alfian $7.00
by Ir. H. Rahmat Rukmana $5.00
by Siagian, P. $11.00
by Gunawan Widjaja, A. Yani $9.00
by Edy Mulyadi Supardi $7.00