@Book{OL18170612M,
    title: {The Six Sigma performance handbook},
    author: {Praveen Gupta},
    publisher: {McGraw-Hill},
    year: {2005},
    place: {New York},
}

@Book{OL17094176M,
    title: {Juran institute's six sigma},
    author: {Joseph A De Feo},
    publisher: {McGraw-Hill},
    year: {2004},
    place: {New York},
}

@Book{OL9836820M,
    title: {Six Sigma for Transactions and Service (Six Sigma Operational Methods)},
    author: {Parveen S. Goel and Praveen Gupta and Rajeev Jain and Rajesh K. Tyagi},
    publisher: {McGraw-Hill Professional},
    year: {2004},
}

@Work{OL16501071W,
    title: {Six sigma},
    author: {Mikel J. Harry and Richard Schroeder},
    first_publish_year: {1999}
}

@Work{OL21117238W,
    title: {Innovating Lean Six Sigma},
    author: {Kimberly Watson-Hemphill and Kristine Nissen-Bradley},
    first_publish_year: {2016}
}

@Work{OL31227635W,
    title: {Six Sigma and the Quality Toolboy},
    author: {John Bicheno and Philip Catherwood},
    first_publish_year: {2005}
}

@Work{OL479865W,
    title: {Design for six sigma for green belts and champions},
    author: {Howard S. Gitlow},
    first_publish_year: {2006}
}

@Work{OL8958392W,
    title: {The Six Sigma Leader},
    author: {Peter Pande},
    first_publish_year: {2006}
}

@Work{OL7800315W,
    title: {Six Sigma and Other Continuous Improvement Tools for the Small Shop},
    author: {Gary Conner},
    first_publish_year: {2002}
}

@Work{OL9225324W,
    title: {Design for Six Sigma},
    author: {Geoff Tennant},
    first_publish_year: {2002}
}

@Work{OL8226823W,
    title: {Six Sigma Execution},
    author: {George Eckes},
    first_publish_year: {2005}
}

@Work{OL7949771W,
    title: {The new Six Sigma},
    author: {Matt Barney and Tom McCarty},
    first_publish_year: {2002}
}

@Work{OL7800800W,
    title: {Six Sigma Simplified},
    author: {Jay Arthur},
    first_publish_year: {2000}
}

@Author{OL2465939A,
    name: {Jay Arthur},
}