by H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM $6.00
by H. R. Kartadisastra $5.00
by Ir. Heinz Frick & Moediartianto $7.00
by Kelly S. $5.00
by Ir. Hieronymus Budi Santoso $5.00
by L. Prasetya, Pr. $6.00