by Eko Purnomo $6.00
by Tita Rostita $7.00
by H. Rahmat Rukmana $6.00
by Ir. H. Rahmat Rukmana $6.00
by Ir. Hieronymus Budi Santoso $5.00
by Drs. Muchdarsyah Sinungan $12.00
by $6.00