by Dr. Ir. Muhammad Rasyaf, MS $6.00
by Dennis & Matt Linn $4.00
by Komlit KWI $3.00
by dr. Andry Hartono, Sp.GK $7.00
by M. Ghufron H. Kordi K $7.00
by Slamet Soeseno $5.00
by Alex Kertamanah $7.00
by Ir. Suprio Guntoro $6.00
by AAK $7.00
by John Salindeho $12.00
by Akram Misbah Utsman $7.00
by Ahzami Samiun Jazuli $24.00