by Drs. K. Permadi, S.H $7.00
by Drs. H. Burhanuddin Salam, M.M $11.00
by Prof. J. Suprapto, M.A., APU $11.00
by - $9.00
by J. Stallard, Terj. Drs. Hasymi Ali $11.00
by Andrias Harefa $11.00