by Rosady Ruslan $12.00
by Prof. J. Suprapto, M.A. APU $9.00
by Drs. W. Kuswandi $9.00
by Fachry Ali $4.71
by AS Rosyid $16.00
by Norman Long $11.00
by Prof. DR. Taliziduhu Ndraha $11.00
by Sofyan Syafri Harahap $13.00
by Bambang Agus Murtidjo $6.00
by Drs. Al. Soenarto S.W., dkk $4.00
by Bungaran Antonius Simanjuntak $23.00
by Mirnawati $5.67