by $4.00
by Ansoriy Al Mansur $6.00
by Siti Muslikhati $6.00
by H.A. Aziz Salim Basyarahil $5.00
by Drs. Ec. Alex. S. Nitisemito dan Drs. M. Umar Burham. M.S $6.00
by Edward G. Reed & Edward K. Gill $16.00
by Nursalam $7.00
by S. Mara Gd $9.00