by Surawan Martinus $24.00
by Hendra Utomo $6.00
by Drs. Abdul Chaer $7.00
by I Ketut Madia, Drs. $9.00
by Shinta Yusidia Wisudanti $7.00
by Chris Anderson $13.00
by Drs. Hugiono $6.00
by Drs. Ibnu Syamsi, S.U $9.00
by Lachman, L., Herbert A. Lieberman & Joseph L. Kanig $11.00
by Brooks $18.00
by S. Mara Gd $11.00
by Ir. Rindit Pembayun, M.P. $6.00