by Sugiarto, Dergibson Siagian, dkk $7.00
by Soenjono Dardjowidjojo $7.00
by Dr. Rhenald Kasali $7.00
by Drs. Domi C. Matutina $12.00
by Devas, Nick, dkk $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00