by V. Lestari $12.00
by Emanuel Barus $7.00
by Ismardi $9.00
by J.C.T. Simorangkir, S.H., dkk $7.00
by Hilman Hariwijaya $6.00
by Stephen Hurwitz $7.00
by - $9.00
by Suharto, S.H. $11.00
by Sisca Soewitomo $7.00
by Prof. DR. Ir. H. Tridoyo Kusumastanto, MS $9.00
by Ir. M. Lies Suprapti $7.00
by BOIM LEBON $6.00
