by Ir. Susy Fatena Roestiyanti, M.Sc $7.00
by - $13.00
by Budi Winarno $9.00
by Sudibyo $9.00
by Drs. Save M. Dagun $9.00
by Afred Suci $8.84
by Muhibin Syah $11.00
by Prof. DR. S.P. Siagian, M.P.A $9.00
by Tamir Agmon $7.00
by St. Darmawijaya, Pr $4.00
by Dr. Muslih Abdul Karim, M.A. $9.00
by ABDUL MUN'IM AL-HASYIMI $7.00