Author : Dr. V. C. Sinha

Book Code : 4211

Language : Hindi

ISBN : 978-93-88724-39-5

Author : Dr. Dinesh Pratap Singh, Nitin Gupta

Book Code : 6994

Language : Hindi

ISBN : 978-93-88724-43-2

Author : C. A. Nikhil Gupta

Book Code : 6838

Language : English

ISBN : 978-93-88724-45-6

Author : Dr. B.P. Agarwal, Dr. B.K. Mehta

Book Code : 5693

Language : Hindi

ISBN : 978-93-82883-70-8