by Robert K. Yin $7.00
by Drs. Burhanuddin Salam $9.00
by I Gusti Ngurah Agung $9.00
by Ir. H. Rahmat Rukmana & Hj. Yuyun Yuniarsih, SP., MBA., MM. $6.00
by Drs. Sri Panudju Karso $6.00
by Anung Handoko $7.00