S. Raj Kumar, J. Yadagiri, [and] P. Jyoshna S. Raj Kumar creator Yadagiri, J. Jyoshna, P. text Hyderabad Sun Techno Publications First Edition,2023 monographic xii;244p. 24cm(pbk) 621. 9789380831039 ENG-137501 DBAD/PUB 20230720153030.0