1. J. E. Bowles, “Foundation Analysis and Design,” library of congress cataloging. McGraw-Hill Companies. USA, 5th ed, (1997).
2. L. C. Reese, W. M. Isenhower and S. T. Wang. "Analysis and design of shallow and deep foundations", (2006).
3. V. N. S. Murthy. "Geotechnical engineering: principles and practices of soil mechanics and foundation engineering", (2002).
4. F. Sultana, N. K. Zinia, F. Akter and M. M. R. Khan. "Pile Load Testing & Determining Bearing Capacity of Cast in Situ Pile: A Case Study," Global Journal of Researches in Engineering, vol. XVI Issue, (2016).
5. ASTM D1143M-07. “Standard Test Methods for Deep Foundations Under Static Axial Compressive Load,” American society for testing and materials. Philadelphia, PA: American society for testing and material, (2013)