, Mr. Surya Pratap Singh, Dr. Upendra Nath Tripathi, Dr. Manish Mishra. 2016. “Multilevel Hashing Based Access Control for Authentication and Security in Relational Database Management System”. International Journal on Recent and Innovation Trends in Computing and Communication 4 (2):80-84. https://doi.org/10.17762/ijritcc.v4i2.1766.