by Erna Hartanto, S.Kom $5.00
by Donna Dale Carneige $9.00
by Mohammad As Sa'dawi $5.00
by Prof. Dr. A. Teeuw $37.00
by Tony Buzan $11.00
by Drs. Djalinus Syah, Dra. H.N. Murdiati Sulastomo, dan Dra. H. Azimar Enong $9.00
by Zulkayarni Lala Kamila $6.00
by Tamara Geraldine $9.00