by Dr. Niels Mulder $9.00
by Agus Rochdianto $6.00
by Buckle, K.A., dkk $7.00
by Dr. Ir. Adji Sastrosupadi, MS $11.00
by Ir. H. Rahmat Rukmana - Hj. Yuyun Yuniarsih, BSc. $5.00
by $12.00