by Kansil C.S.T $11.00
by Prof. DR. R. Van Dijk $6.00
by Ir. Sujamto $7.00
by $9.00
by Amiruddin Syarif, S.H $9.00
by Andi Tahir Hamid, S. H. $7.00
by Prof. Mr. Dr. Sudargo Gautama $7.00