by Nyoman S. Pendit $18.00
by Ir. Sujamto $7.00
by Freemont E. Kast $13.00
by Dibyo S. Priambodo $7.00
by Soesilo Zauhar $6.00
by Drs. Save M. Dagun $7.00
by Peter Connoly $9.00
by Denny J. A $11.00
by Kusumoputro, Sidiarto dan Lily Djokosetio $7.00