Author : Dr. Pushpa Sinha, Dr. V. C. Sinha

Book Code : 7739

Language : Hindi

ISBN : 978-93-5167-019-3

Author : Dr. V. C. Sinha, Dr. Alok Gupta

Book Code : 4255

Language : Hindi

ISBN : 978-93-82883-90-6

Author : Dr. V. C. Sinha & Dr. Alok Gupta

Book Code : 4256

Language : English

ISBN : 978-93-82883-91-3