by Sumarmo I.S - Markam Suprapti $7.00
by Prof. dr. Agus Firmansyah, Prof. dr. Husein Alatas $5.00
by Vitahealth $11.00
by Tarwoto $9.00
by Foster, George M. & Anderson, Barbara Gallatin $7.00
by Aziz Alimul $7.00
by Wiranto Arismunandar $12.00
by Srivastava, A.C. $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00