by Loyniwati Kho $6.00
by Drs. Basir Barthos $11.00
by Bakhtiar, Numan Agus, Murisal $7.00
by Burhan Bungin $9.00
by Drs. Ibnu Syamsi, S.U $9.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $9.00
by $11.00
by WK $12.00
by Aziz Alimul $9.00
by Hindah Muaris $7.00
by - $9.00
by - $11.00