by Leden Marpaung, S. H. $0.00
by Redaksi (Penghimpun) $13.00
by $6.00
by Redaksi (Penghimpun) $7.00
by $5.00
by Lestari Ningrum, S.H. $9.00
by Ir. M. Iqbal Hasan $9.00
by Eaton, Joseph W $6.00
by Sukardja, Ahmad $6.00
by James Patterson $11.00
by R. Wiyono, S. H. $12.00
by Parwadi Moengin $11.00