by Tung Desem Waringin $13.00
by Richard G. Lipsey., dkk $16.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Oppusunggu, H.M.T $5.00
by Vincent Gaspersz $9.00
by Robert T. Kiyosaki $7.00
by Anshori Djausal & Khaidir $6.00