aly, e. m., & tawfekm mohamed hassan ; supervisor. (2008). application of six sigma. {l.n}.
Cita Chicago (17th ed.)aly, essam mohamoud, i tawfekm mohamed hassan ; supervisor. Application of Six Sigma. cairo: {l.n}, 2008.
Cita MLA (9th ed.)aly, essam mohamoud, i tawfekm mohamed hassan ; supervisor. Application of Six Sigma. {l.n}, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.