by N. Edy Soetanto, BE. $5.00
by H. Rahmat Rukmana & Indra Mukti Harahap $5.00
by P. Suhardiman $6.00
by Stefan Leks $16.00
by Ir. M. Lies Suprapti $5.00
by Ir. Rahmat Rukmana $5.00