by Dr. Ir. Adji Sastrosupadi, MS $11.00
by Wisnoe Wardhana $9.00
by Drs. Muchdarsyah Sinungan $9.00
by Hans Lapoliwa, Isti Nureni $5.00
by Tarwoto $9.00
by KH. MA. Sahal Mahfudh $9.00