by Drs. Agus M. Hardjana, M.Sc., Ed $6.00
by $9.00
by Endar Sugiarto & Ir. Kusmayadi $9.00
by Drs. Djalinus Syah, Dra. Azimar Enong, dan H.N. Murdiati Sulastomo $7.00
by Bachrawi Sanusi $7.00
by Prof. DR. Taliziduhu Ndraha $12.00