by dr. Iwan Ikayuda, dr. Sukonto K., Prof. dr. Sjahriar R $20.00
by G. Siregar, Laksmi $6.00
by Syaifuddin $12.00
by Prof. dr. H. Sidarta Ilyas, SpM $7.00
by J. Guwandhi, SH. $6.00
by Aziz Alimul $7.00
by Sutarmo Setiadji, V $5.00