by Tangoro, Dwi $6.00
by Chapra, Steven C. dan P. Canale Raymond $11.00
by Suyitno dan Kamarijani $6.00
by WK $12.00
by Ir. M. Lies Suprapti $6.00
by WK $11.00
by Rosa MT Kerdijk $7.00
by Adiwarman Karim $12.00
by Drs. Abdul Chaer $11.00
by Aji Supriyanto $16.00
by WK $16.00
by Mira W. $7.00