1. ASHRAE, 1978, Standard 93-77: Methods of Testing to Determine the Thermal Performance of Solar Collectors, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Atlanta, GA.
2. ASHRAE, 2005. Guideline 2-2005: Engineering Analysis of Experimental Data, American Society of Heating, Refrigerating and Air-Conditioning Engineers, Atlanta, GA.
3. Belsley, D.A., E. Kuh and R.E Welsch, 1980, Regression Diagnostics, John Wiley & Sons, New York.
4. Chatfield, C., 1995. Problem Solving: A Statistician’s Guide, 2nd Ed., Chapman and Hall, London, U.K.
5. Chatterjee, S. and B. Price, 1991. Regression Analysis by Example, 2nd Edition, John Wiley & Sons, New York.