by Ahmad Ibrahim Abu $11.00
by Drs. G. Kartasapoetra $12.00
by Dr. Rhenald Kasali $7.00
by Afred Suci $8.84
by Agustinus Edy Kristianto (ed), A. Patra M. Zen (ed.) $23.00
by Hendri F. Isnaeni $4.32