by Drs. R. Suharno $6.00
by Keneth Tolt $6.00
by Michael P. Todaro $12.00
by Prof. Drs. C.S.T. Kansil, S.H $12.00
by Dra. Ahmad Rohani H.M., M.Pd $9.00
by Drs. Ary H. Gunawan $11.00