by Ir. Heinz Frick $7.00
by Ir. Hieronymus Budi Santoso $5.00
by Ir. M. Lies Suprapti $6.00
by Raldi Artono $18.00
by Thabrani $12.00
by Titiek F. Djafar - Siti Rahayu - Rob. Mudjisihono $5.00
by WK $12.00
by Rudy Choirudin $7.00