by Stephen R. Covey & Roger Merill $9.00
by Sediono M.P Tjondronegoro $18.00
by Soerjono Soekanto $12.00
by Dr. Hubert K. Rampersad $16.00
by - $11.00
by P. M. Laksono, dkk $6.00
by Ahmad Qodri Azizy $7.00