by E. Philips Oppenheim $9.00
by $4.00
by Ir. Adiwarman Karim, SE, MBA, MAEP $7.00
by Helimut Haug & Jurgen Rump $7.00
by Thomas Amstrong $12.00
by Drs. H. Abu Ahmadi $9.00
by Michael C. Desch $7.00
by Para Pemenang Nobel $6.00
by Alam Setia Zain, S.H $7.00
by Ir. Bambang Cahyono $7.00
by S. Soegijanto $11.00
by Doddy Pamudji $7.00