by Dra. Kumara Poespo $12.00
by Sisca Susanto $7.00
by ALAN M.STEVENS $45.00
by TRIANI RETNO A. $6.00
by Prof. DR. Taliziduhu Ndraha $7.00
by Sei H. Dt. Tombak Alam $7.00
by Drs. Djalinus Syah, Dra. Syamsahrul,Dra. Azimar Enong $7.00