by WK $11.00
by $6.00
by Drs. Muchdarsyah Sinungan $9.00
by Drs. CST. Kansil, S.H $13.00
by Yasa Boga $12.01
by Drs. Amin Widjaja Tunggal, Ak., M.B.A. $7.00
by Ir. C. Totok Sutrisno $6.00