by Radiks Purba $13.00
by Sagimun MD $7.00
by Drs. Sudarsono, S.H., M.Si $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by Prof. Dr. Soegyarto Mangkuatmodjo $13.00
by Sayyid Sabiq $9.00