by David Campbell, Ph.D $5.00
by H. Rahmat Rukmana $5.00
by Ir. Bambang Cahyono $6.00
by Dr. FX. Mudji Sutrisno & Hendra Putranto $9.00
by Mary Emmanuel Alves, FSP, Molly H. Rosa $13.00
by Dr. Abdullah Nashikh Ulwan $6.00