by Ir. AG. Kartasapoetra $7.00
by Eko Agus Triwiyatno $5.00
by Bole Malo, Agustinus $5.00
by Ir. Setijo Pitojo $6.00
by Ir. H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM. $6.00
by E. Martasudjita, Pr. $3.00