Text book of Theories of Engineering Experiment

https://www.dropbox.com/s/krmcbh9y8acr2ue/Anthony%20J.%20Wheeler_%20Ahmad%20R.%20Ganji-Introduction%20to%20Engineering%20Experimentation%20%283rd%20Edition%29-Prentice%20Hall%20%282009%29.pdf?dl=0