BB Chatterjee, Samprit. Regression analysis by example / Samprit Chatterjee, Ali S. Hadi . 5th ed. Hoboken (New Jersey) : John Wiley & Sons, cop. 2012
BB Hà¸yland, Arnljot. System reliability theory : models and statistical methods / Arnljot Hà¸yland and Marvin Rausand . New York [etc.] : John Wiley & Sons, cop. 1994
BB Henderson, G. Robin. Six Sigma : quality improvement with MINITAB / G. Robin Henderson . 2nd ed. Chinchester : John Wiley & Sons, 2011
BB Montgomery, Douglas C.. Design and analysis of experiments / Douglas C. Montgomery . 9th ed. Hoboken : John Wiley & Sons, cop. 2017
BB Montgomery, Douglas C.. Statistical quality control : a modern introduction / Douglas C. Montgomery . 7th ed., international student version Hoboken : John Wiley & Sons, cop. 2013
BB Pyzdek, Thomas. The six sigma handbook / Thomas Pyzdek, Paul Keller . 4th ed New York : McGraw-Hill Education, [2014]