by Drs. I Made Putrawan $7.00
by Sulistyowati Irianto, Antonius Cahyadi $18.00
by Imam Syaukani & A. Ahsin Thohari $7.00
by Drs. G. Kartasapoetra $7.00
by Prof. DR. Taliziduhu Ndraha $11.00
by $7.00