by Prof. Dr. Askandar Tjokroprawiro $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $7.00
by Aziz Alimul $9.00
by Aziz Alimul $7.00
by Ted Andrews $7.00
by Vicki Iovine $11.00
by Prof. Dr. Sondang P. Siagian, M.P.A $9.00
by - $12.00