by Sanusi, Bachrawi $6.00
by Hengky Runtuwene $7.00
by Disney $5.00
by - $13.00
by John H. Procton $7.00
by J.A.F. Stoner $11.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00
by - $9.00
by Sufi S.Y. $6.00
by Tony Buzan $11.00
by Ir. Irianto Aritonang, dkk $6.00
by Monica Petra $3.36