by Ir. M. Iqbal Hasan $9.00
by Drs. Jumingan, S.E., M.M., M.Si $11.00
by John Z. Loudoe, S.H $7.00
by Richard Denny $7.00
by Dydiet Hardjito $5.00
by Drs. H. Burhanuddin Salam, M.M $11.00
by Rahardjo, M. Dawan $7.00
by Heru Susanto $6.00
by Hendra Sutardhio $9.00
by Peursen, CA van, Prof. Dr $7.00
by - $11.00
by $6.00