Author : Dr. V. C. Sinha, Dr. Alok Gupta, Dr. Jitendra Kumar Saxena

Book Code : 8561

Language : English

ISBN : 978-93-7741-883-0

Author : Dr. B. N. Gupta

Book Code : 6741

Language : English

ISBN : 978-93-82883-99-9

Author : Dr. V. C. Sinha & Anju Agarwal

Book Code : 9962

Language : English

ISBN : 978-93-5167-935-6