by Thompson Susa $12.00
by Wasito S $22.00
by WK $11.00
by $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Ir. Heinz Frick & LMF. Purwanto $6.00
by F.X. Djumialdji, S.H. $5.00
by TMII $6.00
by Artono A $9.00
by Eileen Rachman (Kata Pengantar) $7.00
by Aziz Alimul $9.00