by Drs. Jumingan, S.E., M.M., M.Si
$11.00

by Drs. Suyadi Prawirosentono, MBA
$0.00

by Drs. Amin Widjaja Tunggal, Ak., M.B.A
$6.00

by Kerry Patterson, Joseph Grenny, Ron McMillan, Al Switzler
$12.00

by Dr. Thomas Gordon
$6.00

by Prof. DR. Taliziduhu Ndraha
$11.00