by E. Fernando M. Manullang $9.00
by Prof. J. Supranto, M.A., APU $11.00
by - $5.00
by Prof. DR. M. Solly Lubis, SH. $6.00
by Kansil C.S.T $9.00
by Prof. Drs. C.S.T. Kansil, S.H. $18.00
by Hefni Effendi $9.00
by $12.00
by F.X. Nguyen van Thuan $6.00
by Prof. Dr. dr. H. Dadang Hawari, Psikiater $6.00