by Prof. Drs. H.A.W. Widjaja $7.00
by Prof. Dr. Husaini Usman, M.Pd dan R. Purnomo Setiady Akbar, S.Pd., M.Pd $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Victor Situmorang, S.H $7.00
by Toelihere, Mozes R & Yuhara Sukra $5.00
by Drs. Amin Wijaja Tunggal, M.B.A $7.00
by Tim MedPress $7.00