by Herman Hermit, Ir. MT. $7.00
by John Salindeho $12.00
by - $5.00
by Prof. Mr. Dr. Sudargo Gautama $8.00
by Gunawan Widjaja, A. Yani $9.00
by Soedharyo Soimin, S. H. $11.00
by Clara Ng $6.00