by I. Bambang Sugiharto & Agus Rachmat W $11.00
by Red Communication $9.00
by Asghar A. Engineer $6.00
by F.X. Djumialdji, S.H. $5.00
by Munandar. S.C. Utami (Ed) $5.00
by Jatna Supriatna, Edy Hendras W. $7.00