by Mohammad Nurcholis dan Sri Sumarsih $7.00
by Ir. Heinz Frick & Pujo L. Setiawan $7.00
by Ali, Mohammad Daud $6.00
by J. Donald Walters $3.00
by Sururin, M.Ag $6.00
by H.A. Aziz Salim Basyarahil $5.00