by B. Sandjaja $9.00
by Ir. H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM. $6.00
by Bryan Magee $0.00
by Daru Maheldaswara $6.00
by Ir. Bambang Cahyono $6.00
by Anthony F. Chiffolo $4.00