by Ir. H. Sudirman, Mpi & Prof. DR. Ir. Achmad Mellawa $9.00
by Ir. Suharto $7.00
by Hermawan Kartajaya $18.00
by Agus Setiawan $12.00
by Edmund Schact, M.D. dan Drs. Djalinus Syah $9.00
by Anshori Djausal & Khaidir $6.00