by WK $12.00
by Nursalam $7.00
by WK $13.00
by Drs. Sudiyo $7.00
by Richard G. Lipsey & Peter O. Steiner $16.00
by Turban, Rainer $26.00
by John D. Powers $5.00
by I Ngurah Suryawan $12.00
by ASMA NADIA, DKK $8.00