by - $7.00
by Hermawan Kartajaya & Yuswohady $11.00
by Eko Priyo Pratomo, Ubadilah Nugraha $11.00
by Harry Simons $13.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Drs. Saliman, Drs. Sudarsono, S.H $9.00
by Suryokusumo, Sumaryo $6.00