by Hiro Tugiman $7.00
by dr. Endang Lanywati $5.00
by Iin Inayah $0.00
by Ir. Joko Mulyanto $0.00
by Ir. G. Djatmiko Sudarmo & Ir. S. J. Edy Purnomo $12.00
by Dr. Emmanuel Subangun $4.00