Author : Dr. B. N. Gupta, Dr. R. K. Tiwary & Dr. Y. K. Mishra

Book Code : 2708

Language : English

ISBN : 978-81-960927-5-7

Author : Dr. A. K. Chautrvedi

Book Code : 0668

Language : Hindi

ISBN : 978-93-95022-88-0

Author : Dr. Rabindranath Mukherjee & Dr. Bharat Agarwal

Book Code : 0666

Language : Hindi

ISBN : 978-93-95022-67-5