Author : Dr. B. K. Singh, Dr. A. Tiwari

Book Code : 9080/5356

Language : English

ISBN : 978-93-5167-579-2

Author : Sanjay Gupta, Jay Bansal

Book Code : 6053

Language : English

ISBN : 978-93-5167-663-8

Author : R. C. Agrawal, Sanjay Agrawal

Book Code : 5355/9858

Language : English

ISBN : 978-93-5167-577-8