by Prof. J. Suprapto, M.A. APU $11.00
by MarkPlus & Co $28.00
by A.M. Mangunhardjana, SJ $6.00
by Rhenald Kasali, Ph.D $20.00
by Ir. Hieronymus Budi Santoso $6.00
by Dra. Kumara Poespo $12.00
by Drs. Agus M. Hardjana, M.Sc., Ed $6.00