by $7.00
by Robert Gilpin $11.00
by Soerjono Soekanto $7.00
by Bambang Prasetyo $9.00
by Oren L. Justice dan Louis N. Bass $11.00
by $13.00
by Zainal Asikin, dkk $9.00
by Drs. R. Suharno $6.00
by Drs. Amin Wijaja Tunggal, M.B.A $9.00
by O. Solihin $7.00
by $6.00
by IPBM $9.00