by Eko Priyo Pratomo, Ubadilah Nugraha $11.00
by Prof. Subowo, dr. M.Sc., Ph.D $7.00
by Eugene L. Grant. Terj. Drs. E. Komaruddin $13.00
by Hermawan Kartajaya cs $12.00
by Drs. Hasrullah MA $7.00
by Hudoro Sameto, MBA $6.00
by Ahmad Akrom Fahmi $7.00
by Effendi Perangin $9.00
by J. Donald Walters $3.00
by Hery Suhersono $11.00
by Made Anom Subali $7.00
by Kartika Rini $7.00