by J. Heinrich Arnold $8.00
by Drs. FXS. Purwaharsanto, LIC. I. C. $4.00
by Drs. H. Inu Kencana Syafiie $13.00
by Pipiet Senja $6.00
by Dr. K.H. Didin Hafidhuddin, M.Sc $7.00
by Reza M. Syarief $5.00