Smith,Gerald M. (1998). Statistical process control and quality improvement (3rd ed.). Prentice Hall.
Παραπομπή Chicago StyleSmith,Gerald M. Statistical Process Control and Quality Improvement. 3rd ed. New Jersey: Prentice Hall, 1998.
Παραπομπή MLASmith,Gerald M. Statistical Process Control and Quality Improvement. 3rd ed. Prentice Hall, 1998.
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