by N. Edy Soetanto, BE. $5.00
by Ch. Lilies Sutarminingsih $7.00
by John Kirvan $6.00
by Karen Lavine $6.00
by Ir. Sukim Prayitno $5.00
by Ir. Indriyanto $9.00
by Wiranda dan G. Piliang Soewondo Djojosoebagio $7.00
by Ir. M. Lies Suprapti $5.00