by $30.00
by Syam Hardy $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Frans F. Royan $9.00
by Ir. Endar Sugiarto, BA, Sri Sulartiningrum, BA $7.00
by Adiwarman Karim $13.00
by Tinbergen, Jan $6.00