by Achmad Ikhsan $7.00
by Drs. Tjahya Supriatna, M.S $9.00
by Marihot P. Siahaan $16.00
by H. Ahmadi Isa $6.00
by Richard Weston $32.00
by George R. Terry $11.00
by Drs. Sudarsono, S.H., M.Si, dkk $9.00