by Komkat KAS $6.00
by H. Rahmat Rukmana $5.00
by Mohammad Nurcholis dan Sri Sumarsih $7.00
by Sardi, L.A., SJ. $7.00
by Prof. drh. Charles Rangga Tabbu, M.Sc., Ph.D $18.00
by Ir. Dedy Heryadi Sutisna, MS & Ratno Sutarmanto $6.00