by Vincent Gaspersz $24.00
by Prof. Dr. Winardi $9.00
by Nazar, Freddy $6.00
by $6.00
by Richard G. Lipsey & Peter O. Steiner $16.00
by Cristina S. Handayani $9.00
by Kansil C.S.T $9.00
by C. Rollin Niswonger $12.00
by H. Rahmat Rukmana & Indra Mukti Harahap $5.00
by Nursalam $13.00
by Thabrani, Rinaldi $12.00
by Bakdi Soemanto $7.00