by Terrie Tomko $6.00
by Prof. Dr. Syahrin Harahap MA (Ed) $6.00
by Drs. CST. Kansil, S.H $11.00
by $3.00
by Chris Inderayanto $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00