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  1. Dr. R. Joshua Samuel Raj & Dr. T. Sudarson Rama Perumal “A prelude to Data Structures”, LAP LAMBERT Academic Publishing,   ISBN- 978-6200782823, March 2020.
  2. Dr. R. Joshua Samuel Raj, titled “Distinguishing Concepts in Operating Systems for better understanding”, ISBN-13 : 979-8545973408 independently published on July 29, 2021.
  3. Dr. R. Joshua Samuel Raj, titled “Conceptual Problems and Solutions in understanding Operating Systems”, ISBN-13: 979-8479513442 independently published on September 18, 2021. Books

Link to the above book