1. Fundamentals of Portland Cement Concrete: A Quantitative Approach;Popovics,1982
2. Guide to Evaluation of Strength Test Results of Concrete (ACI 214R-11),2011
3. How good is good enough-A dilemma in acceptance testing of concrete;Chung;ACI J. Proc.,1978
4. Strength and Related Properties of Concrete: A Quantitative Approach;Popovics,1998
5. Criteria for estimating the required average strength f’cr to comply with the specified compressive strength f'c;Balaguru;ACI Mater. J.,1987