by dr. Lany Gunawan $5.00
by dr. Andri Hartono $6.00
by Ir. Setijo Pitojo $6.00
by Ir. H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM. $6.00
by Aziz Alimul $7.00
by Nursalam $12.00