by Maria Farida Indrati S. $11.00
by Ernest Mariyanto $6.00
by $12.00
by Ir. H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM. $6.00
by Ir. Sumeru Ashari, M.A gr. Sc $7.00
by Ir. H. Rahmat Rukmana $6.00