by Prof. DR. Taliziduhu Ndraha $11.00
by Drs. Bambang S., dkk $9.00
by Wimar Witoelar $9.00
by Helmi Karim $6.00
by Dr. Gunarto Suhardi, SH $9.00
by Ir. Doli Siregar, M.Sc., FRICS., SVC $11.00
by Prof. Abdulkadir Muhammad, S.H. $10.00
by Ganijanti $16.00