The certified six sigma black belt handbook / T.M. Kubiak, Donald W. Benbow. - 2nd ed.. - Milwaukee : ASQ Quality Press, [2009]. - 1 compact disc (CD-ROM) ; 12 cm.. - In the b.: Kubiak, T.M. The certified six sigma black belt handbook. - Milwaukee, 2009. - ISBN 978-0-87389-732-7[MFN: 3551]