Volume 10, Issue 02 (February 2021)RETRACTED:A Review Paper on Cryptography DOI : 10.17577/IJERTV10IS020027 The Application of Statistical Package for the Social Sciences into Data Analysis to Identify and Evaluate the Risk Factors Influencing to the Implementation of the Renovation and Improvement National Highway 53, Tra Vinh – Long Toan Section, Tra Vinh Province, Vietnam Effect of Concrete Strength on the Seismic Behaviour of Pier