by Drs. W. Kuswandi $9.00
by Drs. Daryanto $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by DM. Etter, Terj. Drs. Kusuma Wiraman $13.00
by Syam Hardy $7.00
by Drs. H. Abu Ahmadi $9.00