by James Lull $23.00
by Radiks Purba $7.00
by Prof. Drs. H. Lili M. Sadeli, M.Pd & Drs. H. Bedjo Siswanto, M.Si $9.00
by C. Rollin Niswonger $13.00
by Dydiet Hardjito $5.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00