Author : Dr. B. N. Gupta, Dr. Pushkar Nath & Shyamlesh Kumar

Book Code : 4140

Language : Hindi

ISBN : 978-93-88117-31-9

Author : R. C. Agrawal & Sanjay Agrawal

Book Code : 2701

Language : Hindi

ISBN : 978-81-960925-6-6

Author : R. C. Agrawal, Sanjay Agrawal, Dr. B. K. Singh & Dr. Angad Tiwari

Book Code : 2702

Language : English

ISBN : 978-81-960925-7-3

Author : Dr. Satish Kumar Saha

Book Code : 2718

Language : English

ISBN : 978-93-90556-66-3

Author : Dr. Satish Kumar Saha

Book Code : 2717

Language : Hindi

ISBN : 978-93-5167-726-0

Author : Dr. S. K. Singh Dr. Syed Zahid Parwez

Book Code : 2723

Language : Hindi

ISBN : 978-93-5167-776-5

Author : Dr. V. C. Sinha

Book Code : 2757

Language : English

ISBN : 978-93-5167-603-4

Author : Dr. V. C. Sinha

Book Code : 2756

Language : Hindi

ISBN : 978-93-5167-474-0