by Aziz Alimul $11.00
by Dr. Taliziduhu Ndraha $9.00
by Dr. Menaldi Rasmin, SpP(K), Dr. Pudji K S $6.00
by Tarwoto $9.00
by Ir. A. G. Kartasapoetra $6.00
by Moenaf H. Regar $9.00