by Duncan Mitchel $9.00
by Rhien Soemohadiwidjojo $8.82
by Prof. Richard Chauvel $7.00
by Kadir, Abdul $16.00
by $12.00
by $9.00
by Ir. Bambang Cahyono $6.00
by Prof. Drs. C.S.T. Kansil, S.H. $26.00